Daimyo Hermitaur

Daimyo Hermitaur enters the battlefield with X
+0/+1 counters on it where X is the mana spent
to cast it.
Whenever Daimyo Hermitaur blocks or is blocked,
remove a +0/+1 counter for each damage dealt to it.
As long as Daimyo Hermitaur is present,
Hermitaur you control gets +0/+1.