Tormanu Growthsinger

Eminence - If damage would be dealt to a Hydra you control, if Tormanu Growthsinger is in the command zone or on the battlefield, you may pay {r}{g}{w}. If you do, prevent that damage and put a +1/+1 counter on that Hydra for each 1 damage prevented this way.
{t}: Target Hydra creature you control fights target creature an opponent controls.