Mathmech Induction

Continuous Trap

All Cyberse monsters you control gain 500 ATK. If you control a "Mathmech" monster: You can send this face-up card from the field to the GY, then target 1 card your opponent controls; destroy it. You can only use this effect of "Mathmech Induction" once per turn.

Rulings – Yugipedia

Printings:

Mystic Fighters: MYFI-EN013 (Secret Rare) - 2019-11-22

Prices:

Cardmarket: 0.20 €
TCGplayer: $ 0.34