Haytham Kenway is a rare Legendary Creature — Human Knight card from Assassin's Creed (ACR), collector number 57. Current market price: $0.32 (foil $0.37), TCGplayer market prices via Scryfall.
Protection from Assassins Other Knights you control get +2/+2 and have protection from Assassins. When Haytham Kenway enters, for each opponent, exile up to one target creature that player controls until Haytham Kenway leaves the battlefield.