Isamaru, Betrayer of Konda

When Isamaru, Betrayer of Konda enters the battlefield, destroy target legendary creature.
It can't be regenerated.
The hound stood over General Takeno's corpse, with
no shred of loyalty or sanity remaining in his eyes.
His master's body will serve as a reminder of the betrayal Isamaru has committed. It was now certain that the Kami have corrupted the hound of Konda.