Volcanic Hammerer

Level 5 FIRE/Pyro Effect
2400 ATK / 1500 DEF

Once per turn, you can inflict damage to your opponent equal to the number of "Volcanic" monsters in your Graveyard x 200. If you activate this effect, this card cannot attack during this turn.

Rulings – Yugipedia

Printings:

Force of the Breaker: FOTB-EN013 (Common) - 2007-05-16
Speed Duel GX: Duel Academy Box: SGX1-ENH09 (Common) - 2022-03-17
Legendary Duelists: Soulburning Volcano: LD10-EN052 (Common) - 2023-08-10

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.09