All Might, Symbol of Peace

Vigilance, First Strike
All Might, Symbol of Peace has indestructible as long as it is untapped.
You may exert All Might, Symbol of Peace as it attacks. When you do, it gets +3/+0 and trample until end of turn. At the end of combat remove a +1/+1 counter and tap it.
If All Might, Symbol of Peace has no +1/+1 counters on it, transform it.