Elemental HERO Gaia

Level 6 EARTH/Warrior Fusion Effect
2200 ATK / 2600 DEF

1 "Elemental HERO" monster + 1 EARTH monster
Must be Fusion Summoned and cannot be Special Summoned by other ways. When this card is Fusion Summoned: Target 1 face-up monster your opponent controls; until the End Phase, its ATK is halved and this card gains the same amount of ATK.

Rulings – Yugipedia

Printings:

Ancient Prophecy: ANPR-EN099 (Secret Rare) - 2009-09-01
Collectible Tins 2011 Wave 1: CT08-EN011 (Super Rare) - 2011-08-25
Duel Terminal 6a: DT06-EN034 (Duel Terminal Normal Parallel Rare) - 2012-02-03
Battles of Legend: Chapter 1: BLC1-EN154 (Common) - 2024-02-22

Prices:

Cardmarket: 0.90 €
TCGplayer: $ 1.68