Ish-Bosheth, Northern King

Ish-Bosheth enters the battlefield with X +1/+1 counters on it.
{t}: Put a +1/+1 counter on Ish-Bosheth.
{t}, Remove a +1/+1 counter from Ish-Bosheth:
Put a +1/+1 counter on each other creature you control.