The Twin Dragons

Pairing(You may have up to and only two copies
of this card in your library and/ or in your
command zone. When you cast this spell or if it
would be put onto the battlefield from anywhere,
search your library, exile, graveyard, or hand and
cast that spell without paying any of its costs.
Neither of those spells may be put anywhere but
the battlefield. The legendary rule doesn't apply for
cards with pairing.)
Flying, Trample, Haste