Imperium: Horizons
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If you cannot exile a Martian card to break through for an Alien Overlord, can you still play the card?
Best-supported reading from forum discussion; no official ruling or rulebook text settles it.
- r4weiss · Community · 2025-05-21
No. If a mandatory cost cannot be resolved, you cannot play that card or trigger its effect, so declining or being unable to exile a Martian card blocks playing Alien Overlord.