Riveting Rigger
Artifact Creature - Cyborg Rigger
| Power/Toughness:
2 / 2
(CMC 3)
When Riveting Rigger enters the battlefield, you may sacrifice another artifact. If you do, put two +1/+1 counters on Riveting Rigger and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
- [UST] Unstable #19 (C)