Foniasophobia

Cast this only if you control your commander,
at least 1 other legendary creature, at least 3
creatures, at least 2 artifacts, and at least 6 lands.
This spell cannot be countered by instants.
Damage cannot be prevented this turn. Deal 30
damage to all targets that are not you and
creatures you control. You gain 30 life. Put
+30/+30 on target creature you control.