Blue Mana Battery [Legends] Scorpion Set: Classic Sixth Edition Type:

Set: Classic Sixth Edition Type: Sorcery Rarity: Rare Cost: {3}{U} You and target player exchange control of the creature you each control with the highest converted mana cost

When Mesmeric Fiend leaves the battlefield

Set: Commander 2018 Type: Enchantment — Aura Rarity: Common Cost: {G} Enchant land

Set: Revised Edition Type: Creature — Human Druid Rarity: Rare Cost: {1}{G}{G} Whenever you cast an enchantment spell

Blue Mana Battery [Legends] Scorpion Set: Classic Sixth Edition Type:Set: Legends Type: Artifact Rarity: Uncommon Cost: {4} {2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.