Alora, Cheerful Scout is a uncommon Legendary Creature — Halfling Rogue Scout card from Alchemy Horizons: Baldur's Gate (HBG), collector number 5g.
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, it perpetually gets +1/+1.