Eivor, Wolf-Kissed is a mythic Legendary Creature — Human Assassin Warrior card from Assassin's Creed (ACR), collector number 144. Current market price: $2.94 (foil $2.92), TCGplayer market prices via Scryfall.
Trample, haste Whenever Eivor deals combat damage to a player, you mill that many cards. You may put a Saga card and/or a land card from among them onto the battlefield.