Chaosrider Gustaph

Level 4 WIND/Warrior Effect Monster
1400 ATK / 1500 DEF

Once per turn, you can remove from play up to 2 Spell Cards from your Graveyard. This card gains 300 ATK for each card removed, until the end of your opponent's next turn.

Rulings – Yugipedia

Printings:

Invasion of Chaos: IOC-018 (Super Rare) - 2004-03-01
Invasion of Chaos: IOC-EN018 (Super Rare) - 2004-03-01
Dark Revelation Volume 2: DR2-EN018 (Super Rare) - 2005-10-20
The Dark Emperor Structure Deck: SDDE-EN012 (Common) - 2008-04-02
Speed Duel GX: Duelists of Shadows: SGX3-ENF04 (Common) - 2023-03-30

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.17