Elemental HERO Inferno

Level 8 FIRE/Pyro Fusion Effect
2300 ATK / 1600 DEF

"Elemental HERO Heat" + "Elemental HERO Lady Heat"
Must be Fusion Summoned and cannot be Special Summoned by other ways. If this card battles a WATER monster, this card gains 1000 ATK during the Damage Step only.

Rulings – Yugipedia

Printings:

Premium Pack 2 (TCG): PP02-EN010 (Secret Rare) - 2008-07-31
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN076 (Super Rare) - 2011-10-04

Prices:

Cardmarket: 0.59 €
TCGplayer: $ 1.08