Whats interesting to me is that the Rooms dont really seem to share any common pattern to their use
Presumably this means that lots of canny fans correctly predicted that an old, weird card like this wasn't going to see a reprint, and would be worth snatching up sooner rather than later
These cards have been highly sought-after by collectors for decades, with one of the rarest modern-day cards sold for a record amount in a game of rock-paper-scissors according to Dicebreaker
In a faster environment, load up on cheap Vampires, removal spells, and ways to keep attacking

098/XY-P Mega Tokyo's Pikachu Mega Tokyo's Pikachu Promo (098/XY-P): Pokemon Center Tokyo relocation Difficulty level in obtaining : 099/XY-P Cosplay Pikachu Cosplay Pikachu Promo (099/XY-P): Illust Collection Difficulty level in obtaining : 150/XY-P Pretend Magikarp Pikachu and 151/XY-P Pretend Gyarados Pikachu Pretend Magikarp Pikachu Promo (150/XY-P): Pretend Magikarp & Pretend Gyarados Pikachu Special Box Pretend Gyarados Pikachu Promo (151/XY-P): Pretend Magikarp & Pretend Gyarados Pikachu Special Box Difficulty level in obtaining : 203/XY-P Poncho-wearing Pikachu Poncho-wearing Pikachu Promo (203/XY-P): Pikachu Mega Campaign Difficulty level in obtaining : 204/XY-P Mega Tokyo's Pikachu Mega Tokyo's Pikachu Promo (204/XY-P): Pokemon Center Mega Battle + Creatures Challenge Difficulty level in obtaining : 207/XY-P 208/XY-P Poncho-wearing Pikachu Poncho-wearing Pikachu Promo (207/XY-P): Mega Charizard X Poncho-wearing Pikachu Special Box Poncho-wearing Pikachu Promo (208/XY-P): Mega Charizard Y Poncho-wearing Pikachu Special Box Difficulty level in obtaining : 221/XY-P Okuge-sama and Maiko-han Pikachu Okuge-sama and Maiko-han Pikachu Promo (221/XY-P): Pokemon Center Kyoto booster pack purchase Difficulty level in obtaining : 230/XY-P 231/XY-P Poncho-wearing Pikachu Poncho-wearing Pikachu Promo (230/XY-P): Rayquaza Poncho-wearing Pikachu Special Box Poncho-wearing Pikachu Promo (231/XY-P): Rayquaza Poncho-wearing Pikachu Special Box Difficulty level in obtaining : 247/XY-P Pikachu Libre Pikachu Libre Promo (247/XY-P): Pikachu Libre Special Pack Difficulty level in obtaining : 274/XY-P 275/XY-P Poncho-wearing Pikachu Poncho-wearing Pikachu Promo (274/XY-P): Pokemon Center Mega Battle: 3 Play Point prize Poncho-wearing Pikachu Promo (275/XY-P): Pokemon Center Mega Battle: 3 Play Point prize Difficulty level in obtaining : 293/XY-P 294/XY-P Mario Pikachu Mario Pikachu Promo (293/XY-P): Mario Pikachu Special Box Mario Pikachu Promo (294/XY-P): Mario Pikachu Special Box Difficulty level in obtaining : 295/XY-P 296/XY-P Luigi Pikachu Luigi Pikachu Promo (295/XY-P): Luigi Pikachu Special Box Luigi Pikachu Promo (296/XY-P): Luigi Pikachu Special Box Difficulty level in obtaining : 2 types of XY-P Pitch's Pikachu Pitch's Pikachu second Promo (XY-P): Elementary J-League soccer game participation Pitch's Pikachu first Promo (XY-P): Elementary J-League soccer game participation Difficulty level in obtaining : 005/SM-P Sapporo's Pikachu Sapporo's Pikachu Promo (005/SM-P): Pokemon Center Sapporo Reopening 2016 Difficulty level in obtaining : 013/SM-P Pretend Team Skull Pikachu and 014/SM-P Pretend Grunt Pikachu Pretend Team Skull Pikachu Promo (013/SM-P): Pretend Grunt Pikachu Special Box Pretend Grunt Pikachu Promo (014/SM-P): Pretend Grunt Pikachu Special Box Difficulty level in obtaining : 037/SM-P 038/SM-P Poncho-wearing Pikachu Poncho-wearing Pikachu Promo (037/SM-P): Alolan Vulpix & Vulpix Poncho-wearing Pikachu Special Box Poncho-wearing Pikachu Promo (038/SM-P): Alolan Vulpix & Vulpix Poncho-wearing Pikachu Special Box Difficulty level in obtaining : 088/SM-P Tohoku's Pikachu Tohoku's Pikachu Promo (088/SM-P): Pokemon Center Tohoku Reopening Difficulty level in obtaining : 191/SM-P to 197/SM-P Pretend Boss Pikachu Team~ Pretend Boss Pikachu Team Rocket Promo (191/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Aqua Promo (192/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Magma Promo (193/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Galactic Promo (194/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Plasma Promo (195/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Flare Promo (196/SM-P): Team Rainbow Rocket's Ambition campaign Pretend Boss Pikachu Team Skull Promo (197/SM-P): Team Rainbow Rocket's Ambition campaign Difficulty level in obtaining : 208/SM-P Firefighter Pikachu and 209/SM-P Hakama Pikachu Hakama Pikachu Promo (208/SM-P): Pokemon Center Tokyo DX Special Box Firefighter Pikachu Promo (209/SM-P): Pokemon Center Tokyo DX Special Box Difficulty level in obtaining : 210/SM-P Gentlemanly Pikachu Gentlemanly Pikachu Promo (210/SM-P): Pokemon Center Tokyo DX Opening Difficulty level in obtaining : 211/SM-P Cherry Blossom Afro Pikachu Cherry Blossom Afro Pikachu Promo (211/SM-P): Pokemon Center Tokyo DX Opening Difficulty level in obtaining : Yokohama's Pikachu 4 cards 280/SM-P and 281/SM-P Yokohama's Pikachu Promo (280/SM-P): Pokemon Center Yokohama Special Box Yokohama's Pikachu Promo (281/SM-P): Pokemon Center Yokohama Special Box Difficulty level in obtaining : 282/SM-P and 283/SM-P Yokohama's Pikachu Promo (282/SM-P): Pokemon Center Yokohama Reopening Yokohama's Pikachu Promo (283/SM-P): Pokemon Center Yokohama Reopening Difficulty level in obtaining : 325/SM-P Pretend Tea Ceremony Pikachu Pretend Tea Ceremony Pikachu Promo (325/SM-P): Pokemon Center Kyoto Reopening Difficulty level in obtaining : 3 typers Detective Pikachu 337/SM-P Detective Pikachu Detective Pikachu Promo (337/SM-P): Detective Pikachu limited edition pamphlet Difficulty level in obtaining : 338/SM-P Detective Pikachu Detective Pikachu Promo (338/SM-P): Detective Pikachu Special Jumbo Card Pack: Charizard-GX Version Difficulty level in obtaining : 339/SM-P Detective Pikachu Detective Pikachu Promo (339/SM-P): Detective Pikachu Special Jumbo Card Pack: Mewtwo-GX Version Difficulty level in obtaining :

Crucible can tap for a colorless mana but also lets you pay one mana and tap it to put a storage counter on it