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