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.
Near Mint - $39.60
Lightly Played - $31.70
Moderately Played - $27.80
Heavily Played - $23.80
Damaged - $19.80
Near Mint Spanish - $39.60
Lightly Played Spanish - $31.70
Moderately Played Spanish - $27.80
Heavily Played Spanish - $23.80
Damaged Spanish - $19.80