Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] SM109 Set: Ancient Guardians Card type:

Set: Ancient Guardians Card type: Effect Monster Rarity: Collector's Rare Attack: 2600 Defense: 0 If your opponent controls more monsters than you do

They move in a synchronized swarm

Set: Black & White: Dark Explorers Type: Lightning Rarity: Promo

negate that activation

Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] SM109 Set: Ancient Guardians Card type:Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {4} Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. "These estimates are conservative. Its true capacity may be far, far greater." Research notes, signature illegible