Black Mana Battery [Legends] Goblin Guest Discard a card: Search your

Discard a card: Search your library for a basic land card

Set: XY: Generations Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Set: Base Set 2 Type: Colorless Rarity: Common

combatants practice to stay in peak mental and physical form

Set: Innistrad: Double Feature Type: Instant Rarity: Rare Cost: {G}{W} Whenever a creature or enchantment enters the battlefield under your control this turn

Black Mana Battery [Legends] Goblin Guest Discard a card: Search yourSet: Legends Type: Artifact Rarity: Uncommon Cost: {4} {2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way.