Lai'zakh, the Magi of Altraz

When Lai'zakh, the Magi of Altraz enters the battlefield, place a Frosbite Counter on X target creatures.
If a snow creature you control dies; deal 1 damage
to target creature or player.
{s}{s}, {t}: Exile Lai'zakh, the Magi of Altraz. You
may cast it from Exile any time you control a
snow creature for {x}{x}{x}{u/r}{u/r}{u/r}. If you do, it
enters with X +1/+1 counters.