Lord of Chaos

{w}: Each player doubles their life total.
{u}: Each player may may tutor for a card. If they
do, they shuffle their library, then discard a card.
{b}: Each player returns all creatures from their
graveyard to the battlefield under their control.
{r}: Each players' creature spells cost {3} less until
the beginning of your next turn.
{g}: Each player adds five mana of any one color
to their mana pool. It stays their until their next
end step.