Winter, Cynical Opportunist is a mythic Legendary Creature — Human Warlock card from Duskmourn: House of Horror Commander (DSC), collector number 7. Current market price: $0.37 (foil $0.35), TCGplayer market prices via Scryfall.
Deathtouch Whenever Winter attacks, mill three cards. Delirium — At the beginning of your end step, you may exile any number of cards from your graveyard with four or more card types among them. If you do, put a permanent card from among them onto the battlefield with a finality counter on it.