
TrampleTrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
Battle cryBattle cryWhenever this creature attacks, each other attacking creature gets +1/+0 until end of turn. (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
ParadoxParadoxAbility word: triggers whenever you cast a spell from anywhere other than your hand. — Whenever you cast a spell from anywhere other than your hand, create a 2/2 red Alien Warrior creature token.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.