Oracle Text:
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.)
Mana Value 
Type Line Artifact Creature — Cyborg Rigger
Power 2
Toughness 2
EDH Color Identity
Riveting Rigger
4 in Stock (Limit of 4 per customer)
Match it with
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