Kozilek, Compleated is a rare Legendary Creature — Phyrexian Eldrazi card from Mystery Booster 2 (MB2), collector number 502. Current market price: $0.32, TCGplayer market prices via Scryfall.
({C/P} can be paid with either {C} or 2 life.) When you cast this spell, each opponent gets two poison counters, then each opponent with more than two cards in hand discards cards equal to the difference. Annihinfect (Whenever this creature attacks, defending player sacrifices a permanent for each poison counter they have.)