Azir

When I attack, you may pay {x}{r}{r} and create X number of ({r}) 1/1 "Sand Soldier" tokens
with Myriad and Vanishing 1 tapped and
attacking, where X is equal to the number of attacking creatures.
Limit Break (Transform me when conditions are met.
I keep all counters when flipped.)13+ other
creatures you control have attacked in the same
combat.