Cavern of Souls [Ultimate Masters] The Dark Set: Amonkhet Invocations Type: Creature

Set: Amonkhet Invocations Type: Creature — Bird Wizard Mythic Cost: {2}{W} Flash Flying If an opponent would search a library

Activate this ability only if an opponent controls more lands than you

Set: Unlimited Edition Type: Artifact Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

Set: Amonkhet Invocations Type: Sorcery Mythic Cost: {1}{B} As an additional cost to cast this spell

Set: Limited Edition Beta Type: Creature — Elf Druid Common Cost: {G} {T}: Add {G}

Cavern of Souls [Ultimate Masters] The Dark Set: Amonkhet Invocations Type: CreatureSet: Ultimate Masters Type: Land Mythic Cost: 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.