Eye of Singularity [Visions] Elf Warrior Ally "Tools and artisans can be

"Tools and artisans can be destroyed

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

Set: Planechase 2012 Planes Type: Plane — Ravnica Rarity: Common Whenever a creature dies

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

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Eye of Singularity [Visions] Elf Warrior Ally "Tools and artisans can beSet: 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.