Flamvell Uruquizas

Level 6 FIRE/Pyro Synchro Effect
2100 ATK / 400 DEF

1 Tuner + 1 or more non-Tuner monsters
During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. This card gains 300 ATK each time it inflicts Battle Damage to your opponent.

Rulings – Yugipedia

Printings:

Hidden Arsenal: HA01-EN024 (Secret Rare) - 2009-11-05
Duel Terminal 1: DT01-EN033 (Duel Terminal Rare Parallel Rare) - 2010-01-29
Hidden Arsenal: Chapter 1: HAC1-EN074 (Common) - 2022-02-24
Hidden Arsenal: Chapter 1: HAC1-EN074 (Duel Terminal Normal Parallel Rare) - 2022-02-24

Prices:

Cardmarket: 4.71 €
TCGplayer: $ 3.52