Eren Yeager, the Hateful

Partner
Ward {x} — Where X is equal to the number of
Giant creatures you control.
{2}{b}{b}{r}{r}{g}{g}, {t}: Destroy all other non-Giant
creatures. Exile Eren Yeager, the Hateful, then
return it to the battlefield transformed under it's
owner's control.
"It all exists at once. So... I had to do it..."