Usually your black board wipes will cost more mana to cast, require hoops or additional costs to be paid, or both
If you do, search your library for a planeswalker card, put it onto the battlefield, then shuffle your library
Though it's a huge blow out if someone kills The Great Synthesis after chapter two, as you'll have bounced your own commander to hand and be left with no resources except the 14+ cards in your hand (how will you cope?), if you are able to get the final chapter off, it's basically a guaranteed game over
This makes a fantastic Gruul commander to play powerful elves like Marwyn, the Nurturer and a critical mass of mana dork elves
Of course, like many Game Boy games, back before the times of wi-fi and Friend Codes, multiplayer in Pokmon Trading Card Game was made possible through the use of a Game Link Cable, an item I was not able to come across in the days of my youth