Dollhouse of Horrors is a rare Artifact card from Innistrad: Crimson Vow Promos (PVOW), collector number 255s. Current market price: — (foil $0.65), TCGplayer market prices via Scryfall.
{1}, {T}, Exile a creature card from your graveyard: Create a token that's a copy of the exiled card, except it's a 0/0 Construct artifact in addition to its other types and it has "This token gets +1/+1 for each Construct you control." It gains haste until end of turn. Activate only as a sorcery.