"Gazelle the King of Mythical Beasts" + "Berfomet"(This card is always treated as a "Phantom Beast" card.)When this card is destroyed: You can target 1 "Berfomet" or 1 "Gazelle the King of Mythical Beasts" in your Graveyard; Special Summon that target.
Use it for Thunder Dragon support. You can Xyz a Rank 6
You can build a fussion deck around this along twin headed thunder dragon. Take advantage of gazelle the king of mithical beasts being a vanilla monster use this along king of the swamp and other monster substitute s there is potential to this deck..