When Path of Mettle enters the battlefield, it deals 1 damage to each creature that doesn't have first strike, double strike, vigilance, or haste. Whenever you attack with at least two creatures that have first strike, double strike, vigilance, and/or haste, transform Path of Mettle.

(Transforms from Path of Mettle.) {T}: Add one mana of any color. {1}{R}, {T}: Metzali, Tower of Triumph deals 2 damage to each opponent. {2}{W}, {T}: Choose a creature at random that attacked this turn. Destroy that creature.