Chimney Goyf is a rare Creature — Lhurgoyf Imp card from Mystery Booster Playtest Cards 2021 (CMB2), collector number 38. Current market price: $0.33, TCGplayer market prices via Scryfall.
Flying Chimney Goyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1. When Chimney Goyf dies, target opponent puts a card from their hand on top of their library.