Cavern of Souls [Modern Masters 2017] Djinn "While most overworlders fortunately don't

"While most overworlders fortunately don't realize this

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

at the beginning of each of your upkeeps for the rest of the game

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

Cavern of Souls [Modern Masters 2017] Djinn "While most overworlders fortunately don'tSet: 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.