Mordekaiser, the Dread Lord

{b}{b}, {t}: Banish this card and target creature you
don't control. During your next end step return
both creature's to their owners' battlefields. If
target creature's toughness is lower than
Mordekaiser, the Dread Lord's power, destroy it
and place +1/+1 counters on this card equal to
the destroyed creature's power.