Cavern of Souls (0269) [The Lost Caverns of Ixalan] Troll then return it to the

then return it to the battlefield transformed under your control

Put a creature card with an even mana value from among the milled cards onto the battlefield under your control

Set: Diamond & Pearl: Stormfront Type: Water Rarity: Holo Rare

Set: EX: Emerald Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Shards of Alara Type: Enchantment Rarity: Rare Cost: {1}{U}{U} Whenever an opponent casts a spell

Cavern of Souls (0269) [The Lost Caverns of Ixalan] Troll then return it to theSet: The Lost Caverns of Ixalan 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.