Paleontologist's Pick-Axe // Dinosaur Headdress

(2) 

Whenever equipped creature attacks, draw a card, then discard a card.
Equip (1)
Craft with one or more creatures (5) ((5), Exile this artifact, Exile one or more creatures you control and/or creature cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

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When Dinosaur Headdress enters the battlefield, attach it to target creature you control.
As Dinosaur Headdress becomes attached to a creature, choose an exiled creature card used to craft Dinosaur Headdress.
Equipped creature is a copy of the last chosen card.
Equip (2)

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