Dark Magician the Knight of Dragon Magic

Level 8 DARK/Dragon Fusion Effect
2900 ATK / 2400 DEF

"Dark Magician" + 1 Level 7 or higher Dragon or Warrior monster
If your monster attacks a Defense Position monster, inflict piercing battle damage to your opponent. Once per turn, when your monster destroys an opponent's monster by battle: You can inflict damage to your opponent equal to the destroyed monster's original ATK. If this card is destroyed: You can Special Summon both 1 "Dark Magician" and 1 "Gaia the Dragon Champion" from your hand, Deck, Extra Deck, and/or GY.

Rulings – Yugipedia

Printings:

Battles of Legend: Monstrous Revenge: BLMR-EN001 (Quarter Century Secret Rare) - 2023-06-22
Battles of Legend: Monstrous Revenge: BLMR-EN001 (Secret Rare) - 2023-06-22

Prices:

Cardmarket: 0.31 €
TCGplayer: $ 2.52