
When you cast this spell, gain control of target creature until end of turn. Untap that creature. Until end of turn, it has base power and toughness 10/10 and gains trampletrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking., annihilatorannihilatorWhenever this creature attacks, defending player sacrifices two permanents of their choice. 2, and haste.
AnnihilatorAnnihilatorWhenever this creature attacks, defending player sacrifices two permanents of their choice. 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)
TrampleTrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
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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.