Aetherflux Reservoir [Kaladesh Prerelease Promos] Bird Serpent Set: Arena League 2003 Type:

Set: Arena League 2003 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

changing it irrevocably

it has "You may cast this card from exile as long as you've cast another spell this turn

pay life equal to its mana value rather than paying its mana cost

Aetherflux Reservoir [Kaladesh Prerelease Promos] Bird Serpent Set: Arena League 2003 Type:Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare 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. While most power is used for ordinary, everyday tasks, one shouldn't underestimate its potential for the extraordinary.