Dragon Fusion

Exile two target creatures you control.
Create a dragon creature token with all colors,
abilitys, creature types and the added power and
toughness of both creatures exiled with Dragon
Fusion. It has "Whenever this token dies, put
the creatures, exiled with Dragon Fusion, into
play under your control."

"Together we are stronger than a dragon, faster
than a goblin and smarter than a wizard."