Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Sorcery only if you've dealt [Power]

only if you've dealt [Power] this turn

• Holds up to 360 standard size cards

Set: Secret Lair Drop Promos Type: Creature — Sliver Rarity: Rare Cost: {1}{B} Each Sliver creature card in your graveyard has unearth {2}

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A temporal conundrum

Aetherflux Reservoir (Retro Schematic) [The Brothers' War Retro Artifacts] Sorcery only if you've dealt [Power]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