Haberthrasher is a uncommon Creature — Human Hatificer Assassin card from Unfinity (UNF), collector number 76. Current market price: $0.06 (foil $0.08), TCGplayer market prices via Scryfall.
Deathtouch Whenever another creature you control that has a hat enters or a hat sticker is put on a creature you control, each opponent loses 1 life.