TI4 Space
Knowledge Library

Action Cards

Expansions
Base Game
Ancient Burial Sites1in deckAgenda
At the start of the agenda phase:

Choose 1 player. Exhaust each cultural planet owned by that player.

Prophecy of Kings
Archaeological Expedition1in deckAction
As an Action:

Reveal the top 3 cards of an exploration deck that matches a planet you control; gain any relic fragments that you reveal and discard the rest.

Base Game
Assassinate Representative1in deckAgenda
After an agenda is revealed:

Choose 1 player. That player cannot vote on this agenda.

Thunder's Edge
Black Market Dealings1in deckOther
When you are negotiating a transaction:

You and the other player can include relics, action cards, and unscored secret objectives as part of the transaction. This card cannot be cancelled.

Base Game
Blitz1in deckCombat
At the start of an invasion:

Each of your non-fighter ships in the active system that does not have BOMBARDMENT gains BOMBARDMENT 6 until the end of the invasion.

Base Game
Bribery1in deckAgenda
After the speaker votes on an agenda:

Spend any number of trade goods. For each trade good spent, cast 1 additional vote for the outcome on which you voted.

Thunder's Edge
Brilliance1in deckAction
As an Action:

Ready 1 of your planets that has a technology speciality or choose 1 player to gain their breakthrough.

Base Game
Bunker1in deckCombat
At the start of an invasion:

During this invasion, apply -4 to the result of each Bombardment roll against planets you control.

Prophecy of Kings
Confounding Legal Text1in deckAgenda
When another player is elected as the outcome of an agenda:

You are the elected player instead.

Base Game
Confusing Legal Text1in deckAgenda
When you are elected as the outcome of an agenda:

Choose 1 player. That player is the elected player instead.

Base Game
Construction Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, place 1 space dock from your reinforcements on a planet you control.

Base Game
Counterstroke1in deckOther
After another player activates a system that contains 1 of your command tokens:

Return that command token to your tactic pool.

Prophecy of Kings
Coup d'Etat1in deckOther
When another player would perform a strategic action:

End that player's turn; the strategic action is not resolved and the strategy card is not exhausted.

Base Game
Courageous to the End1in deckCombat
After 1 of your ships is destroyed during a space combat:

Roll 2 dice. For each result equal to or greater than that ship's combat value, your opponent must choose and destroy 1 of their ships.

Thunder's Edge
Crash Landing1in deckOther
When your last ship in the active system is destroyed:

Place 1 of your ground forces from the space area of the active system onto a planet in that system other than Mecatol Rex; if the planet contains other players' units, place your ground force into coexistence.

Base Game
Cripple Defenses1in deckAction
Action: Choose 1 planet.

Destroy each PDS on that planet.

Thunder's Edge
Crisis1in deckOther
At the end of any player's turn, if there are at least 2 players who have not passed:

Skip the next player's turn.

Prophecy of Kings
Deadly Plot1in deckAgenda
During the agenda phase, when an outcome would be resolved:

If you voted for or predicted another outcome, discard the agenda instead; the agenda is resolved with no effect and it is not replaced. Then, exhaust all of your planets.

Prophecy of Kings
Decoy Operation1in deckOther
After another player activates a system that contains 1 or more of your structures:

Remove up to 2 of your ground forces from the game board and place them on a planet you control in the active system.

Base Game
Diplomacy Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, choose 1 system that contains a planet you control. Each other player places a command token from their reinforcements in that system.

Prophecy of Kings
Diplomatic Pressure4in deckAgenda
When an agenda is revealed:

Choose another player; that player must give you 1 promissory note from their hand.

Base Game
Direct Hit4in deckCombat
After another player's ship uses Sustain Damage to cancel a hit produced by your units or abilities

Destroy that ship.

Base Game
Disable1in deckCombat
At the start of an invasion in a system that contains 1 or more of your opponents' PDS units:

Your opponents' PDS units lose Planetary Shield and Space Cannon during this invasion.

Base Game
Distinguished Councilor1in deckAgenda
After you cast votes on an outcome of an agenda:

Cast 5 additional votes for that outcome.

Prophecy of Kings
Divert Funding1in deckAction
As an Action:

Return a non-unit upgrade, non-faction technology that you own to your technology deck. Then, research another technology.

Base Game
Economic Initiative1in deckAction
As an Action:

Ready each cultural planet you control.

Base Game
Emergency Repairs1in deckCombat
At the start or end of a combat round:

Repair all of your units that have Sustain Damage in the active system.

Thunder's Edge
Exchange Program1in deckAction
As an Action:

Choose another player. You and the player may agree to place 1 infantry from each of your reinforcements into coexistence on a planet the other player controls that contains their ground forces; if no agreement is reached, you each discard 1 token from your fleet pool.

Base Game
Experimental Battlestation1in deckCombat
After another player moves ships into a system during a tactical action:

Choose 1 of your space docks that is either in or adjacent to that system. That space dock uses Space Cannon 5 (x3) against ships in the active system.

Prophecy of Kings
Exploration Probe1in deckAction
As an Action:

Explore a frontier token that is in or adjacent to a system that contains 1 or more of your ships.

Thunder's Edge
Extreme Duress1in deckOther
At the start of another player's turn, if they have a readied strategy card:

If that player's next action is not a strategic action, they discard all of their action cards, gives you all of their trade goods, and shows you all of their secret objectives.

Base Game
Fighter Conscription1in deckAction
As an Action:

Place 1 fighter from your reinforcements in each system that contains 1 or more of your space docks or ships that have a capacity value; they cannot be placed in systems that contain other players' ships.

Base Game
Fighter Prototype1in deckCombat
At the start of the first round of a space combat:

Apply +2 to the result of each of your fighters' combat rolls during this combat round.

Base Game
Fire Team1in deckCombat
After your ground forces make combat rolls during a round of ground combat:

Reroll any number of your dice.

Base Game
Flank Speed4in deckOther
After you activate a system:

Apply +1 to the move value of each of your ships during this tactical action.

Base Game
Focused Research1in deckAction
As an Action:

Spend 4 trade goods to research 1 technology.

Base Game
Forward Supply Base1in deckOther
After another player activates a system that contains your units:

Gain 3 trade goods. Then, choose another player to gain 1 trade good.

Base Game
Frontline Deployment1in deckAction
As an Action:

Place 3 infantry from your reinforcements on 1 planet you control.

Base Game
Ghost Ship1in deckAction
As an Action:

Place 1 destroyer from your reinforcements in a non-home system that contains a wormhole and does not contain other players' ships.

Base Game
Ghost Squad1in deckOther
After another player commits units to land on a planet you control:

Move any number of ground forces from any planet you control in the active system to any other planet you control in the active system.

Base Game
Hack Election1in deckAgenda
After an agenda is revealed:

During this agenda, you vote last.

Base Game
Harness Energy1in deckOther
After you activate an anomaly:

Replenish your commodities.

Base Game
Imperial Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, gain 1 victory point.

Base Game
Impersonation1in deckAction
As an Action:

Spend 3 influence to draw 1 secret objective.

Base Game
In The Silence Of Space1in deckOther
After you activate a system:

Choose 1 system. During this tactical action, your ships in the chosen system can move through systems that contain other players' ships.

Base Game
Industrial Initiative1in deckAction
As an Action:

Gain 1 trade good for each industrial planet you control.

Base Game
Infiltrate1in deckOther
When you gain control of a planet:

Replace each PDS and space dock that is on that planet with a matching unit from your reinforcements.

Base Game
Insider Information1in deckAgenda
After an agenda is revealed:

Look at the top card of the agenda deck.

Base Game
Insubordination1in deckAction
As an Action:

Remove 1 token from another player's tactic pool and return it to their reinforcements.

Base Game
Intercept1in deckCombat
After your opponent declares a retreat during a space combat:

Your opponent cannot retreat during this round of space combat.

Base Game
Leadership Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, gain 3 command tokens.

Thunder's Edge
Lie in Wait1in deckOther
After 2 of your neighbours resolve a transaction:

Look at each of those player's hands of action cards, then choose and take 1 action card from each.

Base Game
Lost Star Chart1in deckOther
After you activate a system:

During this tactical action, systems that contain alpha and beta wormholes are adjacent to each other.

Base Game
Lucky Shot1in deckAction
As an Action:

Destroy 1 dreadnought, cruiser, or destroyer in a system that contains a planet you control.

Base Game
Maneuvering Jets4in deckCombat
Before you assign hits produced by another player's Space Cannon roll:

Cancel 1 hit.

Prophecy of Kings
Manipulate Investments1in deckOther
At the start of the Strategy Phase:

Place a total of 5 trade goods from the supply on strategy cards of your choice; you must place these tokens on at least 3 different cards.

Base Game
Master Plan1in deckOther
After you perform an action:

Perform an additional action.

Thunder's Edge
Mercenary Contract1in deckAction
As an Action:

Spend 2 trade goods to place 2 neutral infantry on any non-home planet that contains no units; if that planet was owned by another player, they return its planet card to the planet card deck.

Base Game
Mining Initiative1in deckAction
As an Action:

Gain trade goods equal to the resource value of 1 planet you control.

Base Game
Morale Boost4in deckCombat
At the start of a combat round:

Apply +1 to the result of each of your unit's combat rolls during this combat round.

Prophecy of Kings
Nav Suite1in deckOther
After you activate a system:

During the "Movement" step of this tactical action, ignore the effects of anomalies.

Thunder's Edge
Overrule1in deckAction
As an Action:

Perform the primary ability of any readied or unchosen strategy card

Base Game
Parley1in deckOther
After another player commits units to land on a planet you control:

Return the committed units to the space area.

Thunder's Edge
Pirate Contract4in deckAction
As an Action:

Place 1 neutral destroyer in a non-home system that contains no non-neutral ships.

Thunder's Edge
Pirate Fleet1in deckAction
As an Action:

Spend 3 resources to place 1 neutral carrier, 1 neutral cruiser, 1 neutral destroyer, and 2 neutral fighters in a non-home system that contains no non-neutral ships.

Base Game
Plagiarize1in deckAction
As an Action:

Spend 5 influence and choose a non-faction technology owned by 1 of your neighbors; gain that technology.

Base Game
Plague1in deckAction
Action: Choose 1 planet that is controlled by another player.

Roll 1 die for each infantry on that planet. For each result of 6 or greater, destroy 1 of those units.

Base Game
Political Stability1in deckOther
When you would return your strategy card(s) during the status phase:

Do not return your strategy card(s). You do not choose strategy cards during the next strategy phase.

Base Game
Politics Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, draw 3 action cards and gain the speaker token.

Base Game
Public Disgrace1in deckOther
When another player chooses a strategy card during the strategy phase:

That player must choose a different strategy card instead, if able.

Thunder's Edge
Puppets on a String1in deckOther
At the end of any player's turn, if you have passed:

Perform 1 action.

Base Game
Rally1in deckOther
After you activate a system that contains another player's ships:

Place 2 command tokens from your reinforcements in your fleet pool.

Base Game
Reactor Meltdown1in deckAction
As an Action:

Destroy 1 space dock in a non-home system.

Prophecy of Kings
Refit Troops1in deckAction
As an Action:

Choose 1 or 2 of your infantry on the game board; replace each of those infantry with mechs.

Base Game
Reflective Shielding1in deckCombat
When one of your ships uses SUSTAIN DAMAGE during combat:

Produce 2 hits against your opponent's ships in the active system.

Base Game
Reparations1in deckOther
After another player gains control of a planet you control:

Exhaust 1 planet that player controls and ready 1 planet you control.

Base Game
Repeal Law1in deckAction
As an Action:

Discard 1 law from play.

Thunder's Edge
Rescue1in deckOther
After another player moves ships into a system that contains your ships:

You may move 1 of your ships into the active system from any system that does not contain one of your command tokens.

Prophecy of Kings
Reveal Prototype1in deckOther
At the start of a combat:

Spend 4 resources to research a unit upgrade technology of the same type as 1 of your units that is participating in this combat.

Prophecy of Kings
Reverse Engineer1in deckOther
When another player discards an action card that has a component action:

Take that action card from the discard pile.

Base Game
Rise of a Messiah1in deckAction
As an Action:

Place 1 infantry from your reinforcements on each planet you control.

Prophecy of Kings
Rout1in deckCombat
At the start of the "Announce Retreats" step of space combat, if you are the defender:

Your opponent must announce a retreat, if able.

Base Game
Sabotage4in deckOther
When another player plays an action card other than "Sabotage":

Cancel that action card.

Base Game
Salvage1in deckCombat
After you win a space combat:

Your opponent gives you all of their commodities.

Base Game
Sanction1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, each player that voted for that outcome returns 1 command token from their fleet supply to their reinforcements.

Base Game
Scramble Frequency1in deckCombat
After another player makes a BOMBARDMENT, SPACE CANNON, or ANTI-FIGHTER BARRAGE roll:

That player rerolls all of their dice.

Prophecy of Kings
Scuttle1in deckAction
As an Action:

Choose 1 or 2 of your non-fighter ships on the game board and return them to your reinforcements; gain trade goods equal to the combined cost of those ships.

Prophecy of Kings
Seize Artifact1in deckAction
As an Action:

Choose 1 of your neighbors that has 1 or more relic fragments. That player must give you 1 relic fragment of your choice.

Base Game
Shields Holding4in deckCombat
Before you assign hits to your ships during a space combat:

Cancel up to 2 hits.

Base Game
Signal Jamming1in deckAction
As an Action:

Chose 1 non-home system that contains or is adjacent to 1 of your ships. Place a command token from another player's reinforcements in that system.

Base Game
Skilled Retreat4in deckCombat
At the start of a combat round:

Move all of your ships from the active system into an adjacent system that does not contain another player's ships; the space combat ends in a draw. Then, place a command token from your reinforcements in that system.

Base Game
Solar Flare1in deckCombat
After you activate a system:

During the "Movement" step of this tactical action, other players cannot use SPACE CANNON against your ships.

Base Game
Spy1in deckAction
As an Action:

Choose 1 player. That player gives you 1 random action card from their hand.

Thunder's Edge
Strategize4in deckAction
As an Action:

Perform the secondary ability of any readied or unchosen strategy card

Base Game
Summit1in deckOther
At the start of the strategy phase:

Gain 2 command tokens.

Base Game
Tactical Bombardment1in deckAction
As an Action:

Choose 1 system that contains 1 or more of your units that have Bombardment. Exhaust each planet controlled by other players in that system.

Base Game
Technology Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, research 1 technology.

Base Game
Trade Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, gain 5 trade goods.

Base Game
Unexpected Action1in deckAction
As an Action:

Remove 1 of your command tokens from the game board and return it to your reinforcements.

Base Game
Unstable Planet1in deckAction
As an Action:

Choose 1 hazardous planet. Exhaust that planet and destroy up to 3 infantry on it.

Base Game
Upgrade1in deckOther
After you activate a system that contains 1 or more of your ships:

Replace one of your cruisers in that system with one of your dreadnoughts from your reinforcements.

Base Game
Uprising1in deckAction
As an Action:

Exhaust 1 non-home planet controlled by another player. Then gain trade goods equal to its resource value.

Base Game
Veto1in deckAgenda
When an agenda is revealed:

Discard that agenda and reveal 1 agenda from the top of the deck. Players vote on this agenda instead.

Base Game
War Effort1in deckAction
As an Action:

Place 1 cruiser from your reinforcements in a system that contains 1 or more of your ships.

Base Game
War Machine4in deckOther
When 1 or more of your units use PRODUCTION:

Apply +4 to the total PRODUCTION value of those units and reduce the combined cost of the produced units by 1.

Base Game
Warfare Rider1in deckAgenda
After an agenda is revealed:

You cannot vote on this agenda. Predict aloud an outcome of this agenda. If your prediction is correct, place 1 dreadnought from your reinforcements in a system that contains 1 or more of your ships.

Prophecy of Kings
Waylay1in deckOther
Before you roll dice for ANTI-FIGHTER BARRAGE:

Hits from this roll are produced against all ships (not just fighters).