Magic: The Gatheringrare· Oath of the Gatewatch
Eldrazi Mimic
Whenever another colorless creature you control enters, you may change this creature's base power and toughness to that creature's power and toughness until end of turn.
Whenever another colorless creature you control enters, you may change this creature's base power and toughness to that creature's power and toughness until end of turn.
