What type of card is Riveting Rigger?

Q: What type of card is Riveting Rigger?

Riveting Rigger is an Artifact Creature — Cyborg Rigger. Its oracle text reads: "When this creature enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on this creature and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)"

Riveting Rigger

Artifact Creature — Cyborg Rigger

When this creature enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on this creature and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Set Unstable

Rarity Common

Mana Value 3

Artist Mark A. Nelson

Collector # 19

Scryfall Gatherer