Aetherflux Reservoir [Kaladesh] Aura that type of card (if

that type of card (if Spell or Trap) cannot be activated

during either player's turn: You can detach 1 Xyz Material from this card to target 1 card on the field

put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield

revealing the enemy's positions

Aetherflux Reservoir [Kaladesh] Aura that type of card (ifSet: Kaladesh 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.