Aetherflux Reservoir - 2 - (The Brothers' War: Retro Frame Artifacts)

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 target creature or player. Flavor: While most power is used for ordinary, everyday tasks, one shouldn't underestimate its potential for the extraordinary.