Gate of Dreath

At the beginning of your upkeep, destroy target creature. if no opponents control creatures,
sacrifice a creature. if you control no creatures,
Gate of Dreath deals 2 damage to you.
If you control Key of Dreath, you may pay 2 life.
if you do, create a 2/2 black corrupt creature
token with deathtouch.
True horrors reside just on the other side.