Slobad, Actually Just Fine - Un-Known Event Playtest Cards

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.