Void Winnower [Battle for Zendikar Prerelease Promos] 205 Set: 30th Anniversary Edition Type:

Set: 30th Anniversary Edition Type: Enchantment Rarity: Rare Cost: {1}{U} You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield

instead it deals double that much damage

you may search your library for an Aura card with mana value less than or equal to that Aura and with a different name than each Aura you control

your opponents can't cast spells during your turn

Void Winnower [Battle for Zendikar Prerelease Promos] 205 Set: 30th Anniversary Edition Type:Set: Battle for Zendikar Prerelease Promos Type: Creature Eldrazi Rarity: Mythic Cost: {9} Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. "Have you ever seen a world fall to its knees? Watch, and learn." Ob Nixilis