Cavern of Souls [Modern Masters 2017] Historic "Organization is often undervalued but

"Organization is often undervalued but rarely unjustified

the seed of life

Persist (When this creature dies

Set: Alpha Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

Set: Alpha Edition Type: Creature — Illusion Rarity: Uncommon Cost: {3}{U} Flying

Cavern of Souls [Modern Masters 2017] Historic "Organization is often undervalued butSet: 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.