Azor's Gateway

1, T: Draw a card, then exile a card from your hand. If cards with five or more different converted mana costs are exiled with Azor's Gateway, you gain 5 life, untap Azor's Gateway, and transform it.
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Sanctum of the Sun
(Transforms from Azor's Gateway.)
T: Add X mana to any one color to your mana pool, where X is your life total.