Transmission Gear

Normal Trap

During damage calculation, if your monster battles an opponent's monster: Play rock-paper-scissors with your opponent. Make the losing player banish the battling monster they control, face-down.

Rulings – Yugipedia

Printings:

Code of the Duelist: COTD-EN080 (Short Print) - 2017-08-03

Prices:

Cardmarket: 0.12 €
TCGplayer: $ 0.18