Kozilek, the Great Distortion [Oath of the Gatewatch Prerelease Promos] Mercadian Masques its controller adds an additional

its controller adds an additional one mana of that color

Until end of turn

Discard a card: Create a 2/2 black Zombie creature token

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

" —Niszka

Kozilek, the Great Distortion [Oath of the Gatewatch Prerelease Promos] Mercadian Masques its controller adds an additionalSet: Oath of the Gatewatch Prerelease Promos Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {8}{C}{C} 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. A void as cryptic as reality itself.