Effect Monster
Swallowtail Butterspy
When another monster you control inflicts battle damage to your opponent: Target 1 face-up monster your opponent controls; it loses ATK equal to the battle damage inflicted.
From Yu-Gi-Oh! Trading Card Game.
Exact printings
- War of the Giants Reinforcements - #WGRT-EN047 · Common · EN
- War of the Giants: Round 2 - #BPW2-EN047 · Common · EN
- Galactic Overlord - #GAOV-EN013 · Common · EN
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6nt5op65a2sb1i7rtr8yap.