Snub Disphenoid

When Snub Disphenoid enters the battlefield,
add one mana of any color to your mana pool.
{1},{t}: Add one mana of any color
to your mana pool.
{g}{b}{w}: Snub Disphenoid becomes a 0/5
artifact creature with reach until end of turn.
Such a versatile shape.
-Niv Mizzet, Dracogenius