Erebor, Looming Firestorm

Flying, Prowess, Ward {9}, Monstrosity {9}
{r}: it gets +1/+0 until end of turn.
{t}: Create a red 4/4 dragon token with Flying
Can't become Monstrous if your Devotion to red &
black is less than 13. To make it Monstrous, you
must also sacrifice 3 lands & 3 artifacts. When it
becomes Monstrous, Amass Demons 9 & make a
token Enchantment that says, "At the beginning of
your upkeep, Amass Demons 3 & Scry 3."
—His ambition is to reach full godhood.