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 - $49.20
Lightly Played - $39.40
Moderately Played - $34.50
Heavily Played - $29.60
Damaged - $24.60
Near Mint Spanish - $49.20
Lightly Played Spanish - $39.40
Moderately Played Spanish - $34.50
Heavily Played Spanish - $29.60
Damaged Spanish - $24.60