Additionally, you can include a maximum of four cards for any specific Pokmon name in your deck
P/T Number 297 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (4/14/2023) To resolve Sheoldred's enters-the-battlefield ability in a multiplayer game, the next opponent in turn order (or, if it's an opponent's turn, the opponent whose turn it is) chooses a creature they control to sacrifice
The Pokmon TCG: Mega Kangaskhan ex Box includes
But be aware of the political game
And in case you're worried about getting taken advantage of, you can set up trading controls that only allow like-for-like trades, so you don't accidentally trade a rare card for a common one
If a resolving spell or ability instructs a specific creature to explore but that creature has left the battlefield, the creature still explores