Pestilent Defiler

Plague — {x}{b}{r}, {t}: Place a Plague counter on
X target creatures. At the beginning of each
player's upkeep, that player places a -1/-1
counter on each creature with a Plague
counter they own.
Dark Swarm — {4}, {t}: Creatures with Flying or
Reach cannot block until end of turn.
Consume — Sacrifice a Zerg: Untap Pestilent
Defiler.