Citadel of Want

{t}: Add {c} to your mana pool.
{t}: Add {b} or {r} to your mana pool. Spend
this mana only to cast Imp or Devil creature
spells.
{t}: pay 2 life. Add {b}{b},{r}{r}, or
{b}{r} to your mana pool.
Spend this mana only to cast Succubus creature spells.