Adonys, Draconic Survivor

When Adonys, Draconic Survivor enters the battlefield, remove an Infected counter on target opponent's creature.
{b},{t} : Adonys fights target creature.
{w},{t} : you gain life equal to Adonys's power
{t}, Sacrifice Adonys, Draconic Survivor: place an Infected counter on target Legendary Creature opponent controls