You may want to hold off adding Slifer the Sky Dragon to your deck, because if you summon him, when that auto-scan goes off, it will find Slifer, notify you of his effect and resolve it, even if there's nothing new about the state of said effect
One of the rarest Pokmon cards ever made has been sold at auction for $90,000 USD
P/T Number 363 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) As Braska's Final Aeon's first or second chapter ability resolves, the next opponent in turn order (or, if it's an opponent's turn, that opponent) chooses a card in hand without revealing it, then each other opponent in turn order does the same
Accelerating energy, discarding energy and huge damage from a 130hp basic is all that Coalossal could ever want
Here he purposely uses rough, possibly underhanded tactics, presumably to give her experience against such