This is a key combo card, and it's dominated many formats before
Though cards such as Full Heal or Pokmon Center Lady (shown above) will remove all status conditions, it may be that your opponent isnt using any Pokmon which cause these conditions, so these could be wasted spots in your deck, better filled by the aforementioned, very flexible Switch, or even Cross Switcher, which is pictured above
We need a clear vision and good predictions in every single game: your opponents board state and discard pile situation (Boss/ Guzma, Vs Seeker, resources and options in general)
During Pokmon Checkup, put 2 damage counters on your Burned Pokmon, then flip a coin
Similar treachery can be performed with Wishclaw Talisman by using a card like Brooding Saurian, but unlike Scheming Symmetry, the talisman is usually a better fit for table politics for a couple reasons