Kozilek, the Great Distortion is a mythic Legendary Creature — Eldrazi card from Commander Masters (CMM), collector number 2. Current market price: $5.51 (foil $7.76), TCGplayer market prices via Scryfall.
When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with mana value X: Counter target spell with mana value X.