Siege of Hong Kong

Exile target creature you control, then return it to
the battlefield under its owner's control.
Battle (When you attack with 3 or more creatures, you may exile this card from your graveyard. If you do, you may cast it from exile for
as long as it remains exiled. Spells cast this way is exiled instead.)

"The odds are heavy, the chances of holding out are slim, but we shall fight to the end."
—General Christopher Maltby