Creature — Vedalken Artificer
1 / 2
Flying
When Aether Swooper enters the battlefield, you get
(two energy counters).
Whenever Aether Swooper attacks, you may pay
. If you do, create a 1/1 colorless Servo artifact creature token.
Energy counters aren’t mana. They don’t go away as steps, phases, and turns end, and effects that add mana “of any type” to your mana pool can’t give you energy counters.