Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Oversize Cards from your graveyard

from your graveyard

no elimination

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

We encountered a valley topped with immense boulders and eerie rock formations

As long as you control four or more Humans

Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Oversize Cards from your graveyardSet: 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