Salmonse, Impostor of Gods

Salmonse, Imposter of Gods gets +X/+X, where
X is your devotion to black. (Each {b} in the mana
costs of permanents you control counts towards your devotion to black)
Whenever Salmonse becomes the target of a spell
or ability, sacrifice him.
He demanded that his people worship him as a god.
The gods didn't like that very much.