Dark Realm Core

Dark Realm Core enters the battle field tapped
{t} add one mana of any color, this mana may
only be spent on Dark spells
{t} *D (*D can be paid with one mana from a
Dark Source) pay 2 life: Create a 1/1 Dark
creature
{t}*D *D pay 2 life: Create a 1/1 Dark Creature
slime with "{t} add {1}"