shatar, god of the unnatural

as long as your devotion to black green and red is less
than 10 shatar, god of the unnatural isn't a creature
when shatar, god of the unnatural enters the battlefield or you cast an artifact spell create
a */* artifact hydra creature token with: "this creatures power and toughness are equal to the
number of artifacts you control"
whenever you cast an artifact spell or an artifact is
put into a graveyard from anywhere each opponent losses 2 life