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When this Equipment enters, attach it to target creature you control.
As this Equipment becomes attached to a creature, choose an exiled creature card used to craft this Equipment.
Equipped creature is a copy of the last chosen card.
Equip {2}
Each time Dinosaur Headdress becomes attached to a creature, you choose one of the exiled creature cards used to craft it. You may choose the same card you chose the last time you had to choose.
If a card that isn't a transforming double-faced card becomes a copy of a card with craft, it'll stay in exile if you activate the craft ability. It won't return to the battlefield.
If the chosen card has {X} in its mana cost, X is 0.
If the materials required include multiple objects, you may exile some of them from among permanents you control and the rest from among cards in your graveyard. You don't have to choose all permanents or all cards from your graveyard.
The back faces of some cards with craft refer to cards "used to craft" it. This refers to the cards exiled as part of the cost of the craft ability of the front face. Those cards are considered to be "used to craft" that permanent as long as they remain exiled and the permanent remains on the battlefield, even if the permanent's controller changes or some of its characteristics change (because of a copy effect, for example.)
The equipped creature copies exactly what's printed on the exiled card and nothing else. It doesn't copy any information about the object the card was before it was put into exile.
You may exile tokens you control as part of the materials required. However, because they aren't cards and won't stay in exile, any abilities that refer to what you "used to craft" the back faces won't refer to anything.
