Dark Paladin

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

"Dark Magician" + "Buster Blader"
Must be Fusion Summoned. When a Spell Card is activated (Quick Effect): You can discard 1 card; negate the activation, and if you do, destroy it. This card must be face-up on the field to activate and to resolve this effect. Gains 500 ATK for each Dragon monster on the field and in the GY.

Rulings – Yugipedia

Printings:

Magician's Force: MFC-105 (Ultra Rare) - 2003-10-10
Duel Master's Guide promotional cards: DMG-001 (Secret Rare) - 2003-10-28
Dark Revelation Volume 1: DR1-EN160 (Ultra Rare) - 2005-03-19
Duelist Pack: Yugi: DPYG-EN016 (Ultra Rare) - 2009-07-07
Duel Terminal 3: DT03-EN034 (Duel Terminal Rare Parallel Rare) - 2010-09-25
Legendary Collection 3: Yugi's World Mega Pack: LCYW-EN048 (Secret Rare) - 2012-09-29
Yugi's Legendary Decks: YGLD-ENC41 (Common) - 2015-11-12
Millennium Pack: MIL1-EN041 (Common) - 2016-04-14
Structure Deck: Yugi Muto: SDMY-EN043 (Common) - 2016-10-20
Legendary Dragon Decks: LEDD-ENA34 (Common) - 2017-10-05
Speed Duel: Battle City Box: SBCB-EN021 (Common) - 2020-11-26
Speed Duel: Battle City Box: SBCB-EN021 (Secret Rare) - 2020-11-26
Hidden Arsenal: Chapter 1: HAC1-EN018 (Duel Terminal Ultra Parallel Rare) - 2022-02-24
Speed Duel: Streets of Battle City: SBC1-ENA20 (Common) - 2023-08-24
Quarter Century Bonanza: RA03-EN126 (Platinum Secret Rare) - 2024-11-07
Quarter Century Bonanza: RA03-EN126 (Quarter Century Secret Rare) - 2024-11-07
Battles of Legend: Monster Mayhem: BLMM-EN008 (Secret Rare) - 2025-08-28
Battles of Legend: Monster Mayhem: BLMM-EN008 (Starlight Rare) - 2025-08-28

Prices:

Cardmarket: 0.13 €
TCGplayer: $ 0.31