Zyndral, Sky Eater

Flying, Haste, Trample

Eminence — As long as Zyndral, Sky Eater is in the command zone or on the battlefield, whenever you cast a Dragon spell, create a red, green, and blue 7/7 Dragon creature token with flying, haste, and trample.

{g}{u}{r}{t}: Search your library for a Dragon card and put
it onto the battlefield. Then shuffle.