Stardust Dragon

Flying
When a creature you control would be destroyed
by an opponent's card effect, you may exile this
card to negate and destroy the activated card.
During the next end phase, you may return this
card to the battlefield under it's owner's control.
If this card is destroyed and sent to the graveyard,
you may discard two dragon creature cards from
your hand to return this card to the battlefield
under it's owner's control.