Elemental HERO Terra Firma

Level 8 EARTH/Warrior Fusion Effect
2500 ATK / 2000 DEF

"Elemental HERO Ocean" + "Elemental HERO Woodsman"
Must be Fusion Summoned and cannot be Special Summoned by other ways. You can Tribute 1 face-up "Elemental HERO" monster; this card gains ATK equal to the Tributed monster's ATK, until the End Phase.

Rulings – Yugipedia

Printings:

Premium Pack 2 (TCG): PP02-EN009 (Secret Rare) - 2008-07-31
Duel Terminal 4: DT04-EN087 (Duel Terminal Normal Parallel Rare) - 2011-01-25
Duel Terminal 4: DT04-EN087 (Duel Terminal Rare Parallel Rare) - 2011-01-25
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN075 (Super Rare) - 2011-10-04

Prices:

Cardmarket: 4.35 €
TCGplayer: $ 8.41