Stratholme

At the beginning of your upkeep pay 2 life.
If you can't, sacrifice Stratholme.
{t}: add {w} or {b} to your mana pool
{p/b}{p/b}{p/b}{t}: put two 2/2 black Zombie creature
tokens onto the battlefield.
The mad Prince Arthas ravaged the city in the
Third War and the undead moved in soon after.