Kassandra, Eagle Bearer is a mythic Legendary Creature — Human Assassin Warrior card from Assassin's Creed (ACR), collector number 148. Current market price: $5.59 (foil $7.02), TCGplayer market prices via Scryfall.
Haste When Kassandra enters, search your graveyard, hand, and library for a card named The Spear of Leonidas, put it onto the battlefield, then shuffle. Whenever a creature you control with a legendary Equipment attached to it deals combat damage to a player, draw a card.