World Breaker [Oath of the Gatewatch Prerelease Promos] EX1-021 Ulvenwald Hydra's power and toughness

Ulvenwald Hydra's power and toughness are each equal to the number of lands you control

Whenever you cast an instant or sorcery spell from your hand

• Time of Need (Search for a legend

4 Mountain

Whenever you discard a nonland card

World Breaker [Oath of the Gatewatch Prerelease Promos] EX1-021 Ulvenwald Hydra's power and toughnessSet: 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.)