Prodigious Hulk

Trample, Reach
Prodigious Hulk enters the battlefield with x
+1/+1 counters on it. When Prodigious Hulk
enters the battlefield it deals x damage to any target.
When Prodigious Hulk attacks, add x {r} or {g} in any combination where x is the amount of counters on Prodigious Hulk.
Until end of turn, you don't lose this mana as steps and phases end.