Double-Edged Sword Technique is a Common Trap Card card from Yu-Gi-Oh! (Samurai Warlords Structure Deck, SDWA). Current market price: $0.12.
Common
Samurai Warlords Structure Deck (SDWA)
Card Text
Target 2 "Six Samurai" monsters in your GY; Special Summon those targets in Attack Position. During the End Phase of this turn, destroy them, and if you do, take damage equal to those destroyed monsters' ATK.