Butterspy
Yu-Gi-Oh! archetype · 6 cards
Blue Mountain ButterspyNUMH-EN012 · Number Hunters · +1 printing
Butterspy ProtectionNUMH-EN060 · Number Hunters · +4 printings
Moonlit PapillonGAOV-EN014 · Galactic Overlord
Morpho ButterspyGAOV-EN012 · Galactic Overlord
Photon Alexandra QueenNUMH-EN047 · Number Hunters
Swallowtail ButterspyGAOV-EN013 · Galactic Overlord · +2 printings
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).