Azor's Gateway // Sanctum of the Sun

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