Kozilek, the Great Distortion [Oath of the Gatewatch Promos] Eighth Edition only chance

only chance

If those permanents are exchanged this way

and you may spend mana as though it were mana of any type to cast that spell

creatures you control gain trample and get +X/+X until end of turn

Eventually

Kozilek, the Great Distortion [Oath of the Gatewatch Promos] Eighth Edition only chanceSet: Oath of the Gatewatch Promos Type: Legendary Creature Eldrazi 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 converted mana cost X: Counter target spell with converted mana cost X. A void as cryptic as reality itself.