Neo Flamvell Sabre

Level 4 FIRE/Pyro Effect Monster
1500 ATK / 200 DEF

While your opponent has 4 or less cards in their Graveyard, this card gains 600 ATK. While your opponent has 8 or more cards in their Graveyard, this card loses 300 ATK.

Rulings – Yugipedia

Printings:

Duel Terminal 4: DT04-EN065 (Duel Terminal Super Parallel Rare) - 2011-01-25
Hidden Arsenal 4: Trishula's Triumph: HA04-EN035 (Secret Rare) - 2011-04-15
Onslaught of the Fire Kings Structure Deck: SDOK-EN011 (Common) - 2013-02-08
Hidden Arsenal: Chapter 1: HAC1-EN073 (Common) - 2022-02-24
Hidden Arsenal: Chapter 1: HAC1-EN073 (Duel Terminal Normal Parallel Rare) - 2022-02-24

Prices:

Cardmarket: 0.06 €
TCGplayer: $ 0.01