You can sacrifice creatures and artifacts interchangeably. (If an effect asks you to sacrifice one of them, you can sacrifice either.) {1}, {T}, Sacrifice another artifact or creature: Put a rebuilding counter on Slobad. {T}, Remove 3 Rebuilding Counters from Slobad: Create a token that's a copy of Bosh, Iron Golem.
NM-Mint - $43.40
Lightly Played - $39.00
Moderately Played - $34.70
Heavily Played - $30.40
Damaged - $21.70
NM-Mint Non English - $43.40
Lightly Played Non English - $39.00
Moderately Played Non English - $34.70
Heavily Played Non English - $30.40
Damaged Non English - $21.70