Sanctity of Dragon

Level 0 LIGHT/Dragon Link Monster
3000 ATK

3+ Dragon Effect Monsters
Must be Link Summoned. If this Extra Linked card attacks your opponent directly and reduces their LP to 0, you win the Match.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! World Championship 2017 prize cards: 2017-EN001 (Extra Secret) - 2017-08-13
Yu-Gi-Oh! World Championship 2017 prize cards: 2017-EN001 (Extra Secret Rare) - 2017-08-13

Prices:

Cardmarket: 30.89 €
TCGplayer: $ 0.00