Jazz, Dashing Commander

More Than Meets the Eye {1}{u}{r} (You may cast this card converted for {1}{u}{r}.)
Haste

On your endstep, target opponent gains control of Jazz and is goaded. Whenever Jazz attacks, he deals X damage to all creatures you control, where X is his total toughness.

Whenever Jazz would leave the battlefield. Return him to the battlefield converted under his owners control.