Necromancers Power

Necromancers Power enters the battlefield tapped unless you tap another land
{t} Add {b} to your mana pool, or add {b}{b}{b} if you tap another land you control not named Necromancers Power
As he bathed in the Shrine of Nyx's false light, the power of death corrupted him. His mind was twisted, and his fears were erased. Nidris, God of the Demons has fallen to the hands of Nyx - Prophet of Decay