Control Win Condition is a rare Creature — Whale card from Mystery Booster Playtest Cards 2019 (CMB1), collector number 19. Current market price: $0.69, TCGplayer market prices via Scryfall.
This spell can't be countered. Shroud Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)