Slobad, Actually Just Fine (UNK-RZ03A) [Unknown Event]

You can sacrifice creatures and artifacts interchangeably. (If an effect asks you to sacrifice one of them, you can sacrifice either.)
{1}, , Sacrifice another artifact or creature: Put a rebuilding counter on Slobad.
, Remove 3 Rebuilding Counters from Slobad: Create a token that's a copy of Bosh, Iron Golem.