Arceus, creator of the world

Flying, Indestructible, Vigilance
{x}{w}: You get X life.
{x}{u}: Draw X cards.
{x}{b}: Target creature gets -X/-X until end of turn.
{x}{r}: Arceus gets +X/+0 until end of turn.
{x}{g}: Add X Mana of any kind to your mana pool.
It is said to have emerged from an egg in a place where there was nothing then shaped the world.