Oshom, Reborn in Ash

Flying, Haste
When Oshom, Reborn in Ash enters the
battlefield, deal 6 damage to all creatures
target opponent controls.
You may exert Oshom, Reborn in Ash as it
attacks.When you do, you may deal 4
damage to any target. ( An exerted
creature won't untap under controllers
next untap step).