Cavern of Souls [Modern Masters 2017] Portal Second Age Add an amount of {B}

Add an amount of {B} equal to the sacrificed creature's converted mana cost

but the price of Mangara's freedom was Asmira's life

Set: Kaladesh Promos Type: Enchantment Rare Cost: {W} Creatures your opponents control enter the battlefield tapped

draw four cards

A delicate veil of glamers can prove as sturdy as iron

Cavern of Souls [Modern Masters 2017] Portal Second Age Add an amount of {B}Set: Modern Masters 2017 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.