Aetherflux Reservoir [Mystery Booster] Desert you gain life equal to

you gain life equal to that card's toughness

gain control of the other creature for as long as Charisma remains on the battlefield

attacking doesn't cause creatures you control to tap this combat if Johan is untapped

Set: Arabian Nights Type: Creature — Djinn Rarity: Rare Cost: {1}{U}{U} You may choose not to untap Old Man of the Sea during your untap step

Aetherflux Reservoir [Mystery Booster] Desert you gain life equal toSet: Mystery Booster 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.