The Lionsmith

Hexproof
The Lionsmith is not a creature unless you control three other creatures with the Skaptodon creature
type.
{r}{g}, sacrifice an artifact you control: create a token artifact equipment called Skaptodon Fang and attach
it to a creature you control. Skaptodon Fang has "Equipped creature gains +x/+x where x is the
number of artifacts you control, and gains the creature type Skaptodon. Sacrifice Skaptodon
Fang: add {r}{g}."