World Breaker [Oath of the Gatewatch Prerelease Promos] Planeshift "I am the blood of

"I am the blood of the ur-dragon

When there are no creatures on the battlefield

Set: Fourth Edition Type: Enchantment Rarity: Rare Cost: {W} At the beginning of your upkeep

if Clockwork Avian attacked or blocked this combat

World Breaker [Oath of the Gatewatch Prerelease Promos] Planeshift "I am the blood ofSet: Oath of the Gatewatch Prerelease Promos Type: Creature Eldrazi Rarity: Mythic Cost: {6}{G} Devoid (This card has no color.) When you cast this spell, exile target artifact, enchantment, or land. Reach {2}{C}, Sacrifice a land: Return World Breaker from your graveyard to your hand. ({C} represents colorless mana.)