These are the rarest cards.
One interesting question with GU is how much countermagic you should play

It is not possible to say where the sequence begins and ends, thus the dagger marks: Abra, Switch, Staryu, Nidoran m, Spearow, Gastly, Voltorb, Paras, Bellsprout, Goldeen, Venonat, Bill, Bulbasaur, Cubone, Doduo, Magnemite, Caterpie, Poliwag, Jigglypuff, Energy Removal, Rhyhorn, Diglett, Drowzee, Charmander, Exeggcute, Sandshrew, Meowth, Bellsprout, Nidoran f, Machop, Pidgey, Potion, Nidoran m, Gust of Wind, Gastly, Goldeen, Paras, Onix, Rattata, Gust of Wind, Diglett, Tangela, Pikachu, Doduo, Starmie, Rhyhorn, Venonat, Abra, Pok Ball, Pikachu, Weedle, Doduo, Staryu, Sandshrew, Poliwag, Vulpix, Bellsprout, Voltorb, Energy Removal, Pidgey, Potion, Cubone, Venonat, Drowzee, Magnemite, Bill, Bulbasaur, Jigglypuff, Switch, Spearow, Caterpie, Staryu, Magnemite, Bill, Exeggcute, Abra, Meowth, Squirtle, Machop, Metapod, Gastly, Starmie, Exeggcute, Nidoran f, Vulpix, Energy Removal, Onix, Nidoran m, Pidgey, Poliwag, Rattata, Paras, Rhyhorn, Meowth, Gust of Wind, Squirtle, Tangela, Switch, Pok Ball, Weedle, Sandshrew, Vulpix, Jigglypuff, Goldeen, Bulbasaur, Weedle, Rattata, Metapod, Charmander, Spearow, Starmie, Potion, Squirtle, Diglett, Pikachu, Charmander, Metapod, Cubone, Drowzee, Voltorb, Nidoran f For the holos, the raw Youtube data from 10 boxes (121 holos in total) is as follows (the dashed line marking where the transition from H7 to H6 would occur): image302693 8.26 KB A few general observations can be made: The energy sheet is the same as for Base Set, even though the rarity distribution only partially makes sense

It doesnt actually generate any value, and the payoffs it offers are minimal
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This card will see play in Lucario & Melmetal-GX (Unbroken Bonds) decks, but I could see other Zacian V (Sword and Shield) decks benefiting from this as well