Aetherflux Reservoir (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 012 Set: Sword & Shield: Evolving

Set: Sword & Shield: Evolving Skies Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

slipping swiftly through strange currents no Phyrexian could track

Cycling {2} ({2}

Set: HeartGold & SoulSilver: Base Set Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

there is an additional upkeep step

Aetherflux Reservoir (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 012 Set: Sword & Shield: EvolvingSet: 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