Saruman of Many Colors

Reveal Saruman of Many colors only after another non-Sauron identity has been revealed.
Palantir of Orthanc: At the beginning of your upkeep, scry 2 then draw a card.
The Fires of War: Sacrifice a land: Add 4 mana of any color to your mana pool
If Sauron, Samwise and Frodo, and Merry and Pippin have been defeated, you win the game.