Powerstone Engineer [The Brothers' War]

Set: The Brothers' War Type: Creature — Human Artificer Rarity: Common Cost: {1}{W} When Powerstone Engineer dies, create a tapped Powerstone token. (It's an artifact with “{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.”) “Well there's your problem—resonance leak lowering output by thirty percent. I can patch that up.”