Raven, Prince of Arcana

{p/w}: Play a white spell from your hand, without paying its mana cost.
{p/u}: Play a blue spell from your hand, without paying its mana cost.
{p/b}: Play a black spell from your hand, or graveyard, without paying its mana cost.
{p/r}: Play a red spell from your hand, without paying its mana cost.
{p/g}: Play a green spell from your hand without paying its mana cost.