Elora, Mistress of Auxesis

At the beginning of your upkeep, reveal the top card of your library. If the revealed card is a creature card with flying, first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, or vigilance, you may choose one of its keywords and put a keyword counter of the chosen type on target creature.