Xyz Tribalrivals

Continuous Trap

Face-up Xyz Monsters on the field with 2 or more Xyz Materials cannot be destroyed by card effects. After damage calculation, if an Xyz Monster you control battles an opponent's monster: Destroy that opponent's monster. That Xyz Monster must have 2 or more Xyz Materials attached to activate and to resolve this effect.

Rulings – Yugipedia

Printings:

Cosmo Blazer: CBLZ-EN077 (Common) - 2013-01-25
Amazing Defenders: AMDE-EN045 (Rare) - 2023-01-19

Prices:

Cardmarket: 0.03 €
TCGplayer: $ 0.12