Void Winnower [Battle for Zendikar] Oath of the Gatewatch Promos that player sacrifices a permanent

that player sacrifices a permanent unless they pay {1}

Set: Eldritch Moon Prerelease Promos Type: Creature — Eldrazi Octopus Rarity: Rare Cost: {8} Flash

What about the art of destruction

) Other creatures you control get +1/+1

Yavimaya Coast deals 1 damage to you

Void Winnower [Battle for Zendikar] Oath of the Gatewatch Promos that player sacrifices a permanentSet: Battle for Zendikar Type: Creature Eldrazi Mythic Cost: {9} Your opponents can't cast spells with even converted mana costs. (Zero is even.) Your opponents can't block with creatures with even converted mana costs. "Have you ever seen a world fall to its knees? Watch, and learn." Ob Nixilis