Extinction

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Extinction
Extinction • Mars • Action • Rare • Play: Choose a creature. Destroy that creature and each creature that shares a trait with it. Gain 1 chain. • Artist: Natalie Russo • Card Number: AoA:196
Extinction
Play: Choose a creature. Destroy that creature and each creature that shares a trait with it. Gain 1 chain.
AoA 196

Commentary

If an ability says "Choose a creature," the Active Player may choose a Friendly or Enemy creature when resolving the effect.

Source: Rulebook
If an ability states an effect is applied to "each creature", the effect is resolved for both Friendly and Enemy creatures.

Source: Rulebook