Seiji, Reforger of True Heroes

When you cast Seiji, Reforger from your hand,
up to two opponents exile a creature they control
until Seiji, Reforger leaves the battlefield.
{1}{w}{w}{w}, {t}: Exile target creature until Seiji
leaves the battlefield.
"And so... We can surmise that they're starting to be
more selective in order to bring the profession of hero to
a higher level. And I agree with this way of thinking.
So I decided to thin the heard myself...I'm simply separating the mediocre and extraordinary."