The blogs are reporting that Elemental Hero Gaia will be released sometime during September. No word on how it will be released.
Elemental Hero Gaia
:earth:/6*/Warrior/Fusion/Effect
ATK:2200 DEF:2600
1 "Elemental Hero" monster + 1 EARTH Attribute monster
This card cannot be Special Summoned except by Fusion Summon. When this card is successfully Fusion Summoned, select 1 face-up monster your opponent controls. Until the End Phase, the selected monster's ATK is halved and this card gains ATK equal to that amount.
:earth:/6*/Warrior/Fusion/Effect
ATK:2200 DEF:2600
1 "Elemental Hero" monster + 1 EARTH Attribute monster
This card cannot be Special Summoned except by Fusion Summon. When this card is successfully Fusion Summoned, select 1 face-up monster your opponent controls. Until the End Phase, the selected monster's ATK is halved and this card gains ATK equal to that amount.