Cavern of Souls [Ultimate Masters] Advent Calendar 2018 If the creature that spell

If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage

All who listen hear their own song

Set: Limited Edition Alpha Type: Creature — Human Druid Rarity: Uncommon Cost: {2}{G} {T}: Untap target land

a tiger poised below the mighty Yangtze

Cavern of Souls [Ultimate Masters] Advent Calendar 2018 If the creature that spellSet: 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.