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Crovax the Cursed

Legendary Creature — Vampire Noble

Crovax enters with four +1/+1 counters on it. At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax. : Crovax gains flying until end of turn.