Osseous Sticktwister is a uncommon Artifact Creature — Scarecrow card from Duskmourn: House of Horror (DSK), collector number 112. Current market price: $0.29 (foil $0.31), TCGplayer market prices via Scryfall.
Lifelink Delirium — At the beginning of your end step, if there are four or more card types among cards in your graveyard, each opponent may sacrifice a nonland permanent of their choice or discard a card. Then this creature deals damage equal to its power to each opponent who didn't sacrifice a permanent or discard a card this way.