Your search for "Swallowtail Butterspy GAOV-EN013" revealed the following:
Swallowtail Butterspy - GAOV-EN013 - Common - Unlimited from Galactic Overlord Unlimited, available at 401 Games Canada. Rarity: Common Card Text:When another monster you control inflicts Battle Damage to your opponent: Target 1 face-up monster your opponent controls; it loses...
Swallowtail Butterspy - GAOV-EN013 - Common - 1st Edition from Galactic Overlord 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:When another monster you control inflicts Battle Damage to your opponent: Target 1 face-up monster your opponent controls;...
Swallowtail Butterspy - BPW2-EN047 - Common - 1st Edition from Battle Pack 2: War of the Giants: Round 2 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:When another monster you control inflicts Battle Damage to your opponent:...
Swallowtail Butterspy - WGRT-EN047 - Common - Limited Edition is available at 401 Games Canada! You can find lots of other Yugioh Singles products as well as more great items from Battle Pack 2: War of the Giants Reinforcements!