Rarity Common
Reprints 1
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.)
"Turn a blender into an arc welder with a portable fusion reactor and a frozen yogurt dispenser? We can do it!"
