Aether Poisoner (AER 51)

Creature — Human Artificer • Mana cost: {1}{B} • Aether Revolt • Common

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When this creature enters, you get {E}{E} (two energy counters).
Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Illustrated by Yongjae Choi.