While Rainbow Rares are generally not as popular now as they were in the Sword & Shield era, we have seen them stand out a bit when it comes to value and popularity in this set
Ghastly_FR TB20220216152225190400669 74 KB Ghastly_BK TB20220216152258752400669 74.3 KB PicClick Pokemon Gastly (Bug Error Obstruction) CGC Authenticated ULTRA SUPER RARE
One thing to be mindful of is that if you are going down the prowess route you really need these white two drops as they provide dorks and spells
Compare the sellers card to a picture of the official card to make sure its real, too

Aetherstorm Roc Alania, Divergent Storm Ambling Stormshell Arrow Storm Brainstorm Brainstorm Breaching Dragonstorm Captain Lannery Storm Captain Lannery Storm Captain Storm, Cosmium Raider Chatterstorm Cinder Storm Colorstorm Stallion Comet Storm Command the Storm Conduit of Storms Contortionist Otter Storm Corroding Dragonstorm Crow Storm Descendant of Storms Desert Sandstorm Disruptive Stormbrood Disruptive Stormbrood Dragonstorm Dragonstorm Forecaster Dragonstorm Globe Dreadful as the Storm Echo Storm Elspeth, Storm Slayer Empyrial Storm Encroaching Dragonstorm Energy Storm Epiphany Storm Eris, Roar of the Storm Esper Stormblade Etali, Primal Storm Eye of the Storm Firestorm Firestorm Hellkite Firestorm Phoenix Flusterstorm Fury Storm Genesis Storm Gigastorm Titan Gravestorm Hail Storm Hailstorm Valkyrie Hall of Storm Giants Harness the Storm Harnesser of Storms Human Torch, Johnny Storm Ice Storm Imotekh the Stormlord Invisible Woman, Sue Storm Ion Storm Joyful Stormsculptor Kalamax, the Stormsire Keranos, God of Storms Kolaghan Stormsinger Kolaghan, the Storm's Fury Lava Storm Lightning Storm Lightning Stormkin Meteor Storm Mindstorm Crown Mjlnir, Storm Hammer Mouth of the Storm Nahiri, Storm of Stone Najal, the Storm Runner Needle Storm Neriv, Heart of the Storm Pigment Storm

Once Lugia uses Elemental Black, one of each Energy type will be discarded from the Pokmon, meaning players will have to build the Energy back up to attack again