Slobad, Actually Just Fine is a rare Legendary Creature — Goblin Artificer card from Unknown Event (UNK), collector number RZ03a. Current market price: $41.26, TCGplayer market prices via Scryfall.
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.