Nightcrawler

{1}{w}: Exile Nightcrawler, then return it to
the battlefield its owner's control.
{1}{w}{w}: Exile Nightcrawler and target creature,
then return them to the battlefield under their
owner's control.
{4}{b}{b}: Exile Nightcrawler and target creature,
then return Nightcrawler to the battlefield
under its owner's control.