Macinarch, the Grand Architect

Macinarch, the Grand Architect is all colors.
{c}{w}{u}{b}{r}{g}: Exile Macinarch from your hand.
{c}{w}{u}{b}{r}{g}: Return Macinarch to the
battlefield from exile.
{c}{w}{u}{b}{r}{g}: Transform Macinarch.
{c}{w}{u}{b}{r}{g}: Restart the game.