Ramesseum

Ramesseum enters the battlefield tapped unless you have three creature cards in your graveyard.
{t}: Add {w} or {r} to your mana pool.
Servant creature cards in your graveyard have embalm. The embalm cost is equal to its casting cost.
"Gods! Witness my work of Infinite Splendor before which even the Sun shall descend!" - Ozymandias