Ogre Slumlord, The Corrupted

At the beginning of your upkeep, create a 1/1 black Rat creature token for each Corruption token you control.

Sacrifice a Corruption token: Create a 1/1 black Rat creature token.

If you control five or more Corruption tokens, Rats you control have haste and menace.
"Every empire starts somewhere. Mine started in the walls."