Eye of Singularity [Visions] Elf Warrior Ally (Each {B} in the mana

(Each {B} in the mana costs of permanents you control counts toward your devotion to black

put a -0/-1 counter on it

Set: Legends Type: Sorcery Rarity: Rare Cost: {3}{U} You and target player exchange control of the creature you each control with the highest mana value

Remove a +1/+1 counter from Ulasht: Choose one —

Kiora Type: Creature — Jellyfish Rarity: Common Cost: {2}{U} When Man-o'-War enters the battlefield

Eye of Singularity [Visions] Elf Warrior Ally (Each {B} in the manaSet: Visions Type: World Enchantment Rarity: Rare Cost: {3}{W} When Eye of Singularity enters the battlefield, destroy each permanent with the same name as another permanent, except for basic lands. They can't be regenerated. Whenever a permanent other than a basic land enters the battlefield, destroy all other permanents with that name. They can't be regenerated.