Alora, Cheerful Assassin is a uncommon Legendary Creature — Halfling Rogue Assassin card from Alchemy Horizons: Baldur's Gate (HBG), collector number 5b.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, each opponent loses 2 life.