Evil Hero Dark Gaia [GLAS-EN040] Rare Premium Gold you can find them here

you can find them here in Ghosts From the Past

During your opponent's turn: You can Tribute this card

If this card attacks your opponent directly and reduces their Life Points to 0

you can Special Summon 1 "Parshath" monster from your Deck or Extra Deck

Set: Champion Pack 4 Card type: Effect Monster Rarity: Rare Attack: 1700 Defense: 1200 Once per turn

Evil Hero Dark Gaia [GLAS-EN040] Rare Premium Gold you can find them hereSet: Gladiator's Assault Card type: Fusion Effect Monster Rarity: Rare Attack: ? Defense: 0 1 Fiend Type monster + 1 Rock Type monster This monster cannot be Special Summoned except with ""Dark Fusion"". The original ATK of this card is equal to the combined ATK of the Fusion Material Monsters used to Fusion Summon it. When this card declares an attack, change all Defense Position monsters your opponent controls to face up Attack Position. (Flip