Hulking Metamorph

Prototype (You may cast this spell with different
mana cost, color, and size. It keeps its abilities and types. The mana cost is {2}{u}{u} and the size is 3/3)
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You may have Hulking Metamorph enter the battlefield as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to hulking metamorph's power and toughness.