Fossil Warrior Skull Knight

Level 6 EARTH/Rock Fusion Monster
2400 ATK / 1100 DEF

1 Rock monster + 1 Level 5 or 6 monster
Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. When this attacking card destroys a monster by battle: You can activate this effect; this card can make a second attack in a row. You can banish this card from your GY, then target 1 monster on the field; destroy it. You can only use this effect of "Fossil Warrior Skull Knight" once per turn.

Rulings – Yugipedia

Printings:

Battles of Legend: Armageddon: BLAR-EN007 (Secret Rare) - 2020-07-23
Ghosts From the Past: The 2nd Haunting: GFP2-EN129 (Ultra Rare) - 2022-05-05
Battles of Legend: Chapter 1: BLC1-EN130 (Common) - 2024-02-22

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.15