Polyeder-Sprenger (Hedron Detonator) (de)
Creature - Goblin Artificer
| Power/Toughness:
2 / 3
(CMC 3)
Whenever an artifact enters the battlefield under your control, Hedron Detonator deals 1 damage to target opponent.
, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.