pokemon shiny treasure booster box Treasure: (Korean) – Black Wolf Collectibles LLC This will be the main appeal of the set Shiny Treasures (Japanese) Booster Box

During the Battle Phase, when a Spell/Trap Card is activated (Quick Effect): You can negate the activation, and if you do, destroy that card, and if you do that, this card gains 500 ATK

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As such, cards like Felothar the Steadfast and Assault Formation that let defenders attack are vital for the strategy to work

Following this format, an impactful rotation and introduction of powerful Scarlet & Violet cards would significantly change the metagame forever

Its an unfortunate piece of game design, though I cant immediate see what Hudson Soft couldve done to fix it other than give you a better deck out of the gate and / or implement consolation prizes, as this is arguably an issue with the TCG itself