Jewels of Fëanor

{t}: Add three mana of any color in any combination to your mana pool.
At the beginning of your upkeep, you may reveal your hand. If you do, you win the game if you own a card named Jewels of Feanor in your hand, in your graveyard, and on the battlefield.
And thus the Silmarils found their eternal homes: one in the airs of heaven, one in the heart of the world, and one in the deep waters.