Ian, Father of Exhaustion

You may exert Ian, Father of Exhaustion as
it attacks. When you do, put a +1/+1 counter
on each other attacking creature you control
and put a -1/-1 counter on Ian, Father of Exhaustion.
{2}{p/b}: Create 2 1/1 demon tokens with wither.
{1}{r}, Tap an untapped demon you control: Destroy target artifact.
"Daddy...I'm hungry."