Cavern of Souls [Modern Masters 2017] Island Set: From the Vault: Legends

Set: From the Vault: Legends Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {11} When you cast this spell

Set: Prophecy Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

you may pay {B}

Set: Iconic Masters Type: Creature — Sphinx Rarity: Mythic Cost: {4}{U}{U} Flying

put this card into your hand as it resolves

Cavern of Souls [Modern Masters 2017] Island Set: From the Vault: LegendsSet: Modern Masters 2017 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.