Laelia, the Blade Reforged is a rare Legendary Creature — Spirit Warrior card from Historic Anthology 6 (HA6), collector number 5.
Haste Whenever Laelia attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.