13 cards where the text includes “metalcraft” and it’s legal in Pauper and the card is the first printing and the colors ≤ UW

Wild Ogre Bupkis (Unfinity Sticker Sheets #40)
Ardent Recruit (Mirrodin Besieged #2)
Vedalken Certarch (Scars of Mirrodin #52)
Auriok Sunchaser (Scars of Mirrodin #4)
Screeching Silcaw (Scars of Mirrodin #42)
Snapsail Glider (Scars of Mirrodin #203)
Stoic Rebuttal (Scars of Mirrodin #46)
Chrome Steed (Scars of Mirrodin #142)
Ghalma's Warden (Scars of Mirrodin #8)
Lumengrid Drake (Scars of Mirrodin #36)
Rusted Relic (Scars of Mirrodin #199)
Spire Serpent (Mirrodin Besieged #32)
Razorfield Rhino (Mirrodin Besieged #127)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.