12 cards where the card is tagged “copy-legendary” and the color identity ≤ U

Auton Soldier (Doctor Who #36)
Hall of Mirrors (Unfinity #216a)
Helm of the Host (Dominaria #217)
Human-Time Lord Meta-Crisis (Doctor Who #585)
Irenicus's Vile Duplication (Commander Legends: Battle for Baldur's Gate #78)
Nanogene Conversion (Doctor Who #49)
Quantum Misalignment (Doctor Who #52)
Sakashima of a Thousand Faces (Commander Legends #89)
Sakashima the Impostor (Saviors of Kamigawa #53)
Spark Double (Ravnica Remastered #62)
Storm of Saruman (The Lord of the Rings: Tales of Middle-earth #72)
Vesuvan Duplimancy (Dominaria United #73)

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