Gulrath, the Insatiable

Deathtouch, Devour 3
Other oozes you control have Devour 1.
When you sacrifice one or more creatures exile
target creature from a graveyard with mana value
X or less where X is the total amount of power sacrificed. Create a token copy of that creature
It's a 1/1 ooze in addition to its other types.
This ability only activates once each turn.