Yuriko, Blade of the Mighty is a uncommon Legendary Creature — Human Samurai card from Reality Fracture (FRA), collector number 210. Current market price: $0.20 (foil $0.35), TCGplayer market prices via Scryfall.
During combat, players can't cast spells or activate abilities that aren't mana abilities. Whenever a creature you control attacks a player alone, it gains double strike until end of turn.