Nightcrawler

Flash
Whenever Nightcrawler enters the battlefield,
you may exile target creature. That creature
returns to the battlefield under its owner's
control at the beginning of the next end step.
{1}{u}: Nightcrawler cannot be blocked this turn.
{2}{w}, {t}: Exile Nightcrawler. Return him to the battlefield under your control at the beginning
of the next end step.