Kozilek's Return [Oath of the Gatewatch Prerelease Promos] Iconic Masters then reveal the top card

then reveal the top card of your library

Great Wall of China

then reveal a card at random from your hand

the Necromancer

You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities

Kozilek's Return [Oath of the Gatewatch Prerelease Promos] Iconic Masters then reveal the top cardSet: Oath of the Gatewatch Prerelease Promos Type: Instant Rarity: Mythic Cost: {2}{R} Devoid (This card has no color.) Kozilek's Return deals 2 damage to each creature. Whenever you cast an Eldrazi creature spell with mana value 7 or greater, you may exile Kozilek's Return from your graveyard. If you do, Kozilek's Return deals 5 damage to each creature.