Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Oversize Cards Marbling and colors match the

Marbling and colors match the Plains (white)

As long as you control four or more Humans

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Rare Cost: {W} Creatures your opponents control enter the battlefield tapped

target opponent chooses self or others

Though it may take an eternity

Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Oversize Cards Marbling and colors match theSet: 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