whenever you cast an instant or sorcery spell, create a 2/2 black zombie creature token with decayed.
at the beginning of your upkeep, if you control three or more creature tokens, you may transform poppet stitcher.
creature tokens you control lose all abilities and have base power and toughness 3/3.
at the beginning of your upkeep, you may transform poppet factory.
Poppet Stitcher (Extended Art) from Innistrad: Midnight Hunt