Cavern of Souls [Ultimate Masters] Ajani Ulvenwald Hydra's power and toughness

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

then put up to seven permanent cards from your hand onto the battlefield

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Rare Cost: {5}{G}{G} Whenever Verdant Sun's Avatar or another creature enters the battlefield under your control

Sacrifice five creatures: Transform Westvale Abbey

Cavern of Souls [Ultimate Masters] Ajani Ulvenwald Hydra's power and toughnessSet: Ultimate Masters Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.