Temporal Mox

Draft Temporal Mox face up.
As you draft a card, you may remove it from the draft face up and note its colors. When you do, turn Temporal Mox face down.
{t}, Pay 1 life: Add one mana of any color noted for cards you drafted named Temporal Mox.
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In the short term it is unlimited in its powers. In the long term, it is your downfall.