Overthink
(Whenever you would draw a card outside of your draw step, you may draw an additional card. If you do, put two cards from your hand on the bottom of your library.)
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: Create a token copy of artifact with a mana value of X, where X is the number of cards of you've drawn this turn. Activate this ability only if you've drawn one or more cards this turn.
See Orzmon, The Fourth Wave.