By attacking their ability to cast their spells, you create an imbalance in resources that will snowball
Each Special Condition requires the trainer to position the affected card in a specific way to identify that the Pokemon is affected by it, or they might need to place a Status marker on it
All things considered, its especially important to carefully analyze any purchased Pokmon TCG cardparticularly in the event that theres any potential reason for suspicion

Here are all of the cards in the 'Fantastical Parade Museum 1' Secret Mission: Cacnea #156 (Full Art / One Gold Star) Roserade #157 (Full Art / One Gold Star) Vivillon #158 (Full Art / One Gold Star) Buzzwole #159 (Full Art / One Gold Star) Reshiram #160 (Full Art / One Gold Star) Oricorio #161 (Full Art / One Gold Star) Scorbunny #162 (Full Art / One Gold Star) Aurorus #163 (Full Art / One Gold Star) Cramorant #164 (Full Art / One Gold Star) Minun #165 (Full Art / One Gold Star) Toxel #166 (Full Art / One Gold Star) Galarian Ponyta #167 (Full Art / One Gold Star) Snubbull #168 (Full Art / One Gold Star) Indeedee #169 (Full Art / One Gold Star) Sandshrew #170 (Full Art / One Gold Star) Tyrantrum #171 (Full Art / One Gold Star) Falinks #172 (Full Art / One Gold Star) Alolan Muk #173 (Full Art / One Gold Star) Purrloin #174 (Full Art / One Gold Star) Yveltal #175 (Full Art / One Gold Star) Galarian Obstagoon #176 (Full Art / One Gold Star) Galarian Perrserker #177 (Full Art / One Gold Star) Salamence #178 (Full Art / One Gold Star) Slakoth #179 (Full Art / One Gold Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets

For example, Radiant Venusaur and Radiant Blastoise have both been selling for around $12 on auction sites
He is launching a new company, Treasure Trove , dedicated to acquiring the world's most significant cultural artifacts