Aetherflux Reservoir (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Neo Genesis Unlimited (Whenever you cast a spell

(Whenever you cast a spell

Set: Battle for Zendikar Prerelease Promos Type: Creature — Angel Rarity: Rare Cost: {5}{W}{W} Flying

Challenge 1/8

you gain 1 life

where X is the greatest mana value of a commander you own on the battlefield or in the command zone

Aetherflux Reservoir (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Neo Genesis Unlimited (Whenever you cast a spellSet: 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