Lah-nah, the Devourer

When a Bird or Rat creature dies, create a 0/1
Carcass creature token with Defender.
Sacrifice a Carcass: Lah-nah, the Devourer gets
+1/+1 and has Infect until end of turn.
{b}{g}, Sacrifice X Carcasses: Lan-nah, the
Devourer deals X damage to all creatures.
No ma'ams! - Nah-heel Weh-turs