Rise of the Burning Hells

Whenever you cast a black spell, create a 4/4 black demon creature token with flying.
Whenever you cast a red spell, create a 4/1 red devil token with haste.
{p/b}{p/b}: Target black spell in your graveyard gains flashback equal to it's mana cost.
{p/r}{p/r}: Target red spell in your graveyard gains flashback equal to it's mana cost.