In essence, the team orders cards for the next base set (traditionally two years later)
If youre feeling mean, you can donate Grid Monitor and Aggressive Mining to your opponents, or just trade their Blightsteel Colossus for your Goblin token
At the time of writing, for around $30, players can pick up the Mew VMAX League Battle Deck , which contains 2 of the needed Mew VMAX cards, alongside other bulk to get to the deck moving
It doesn't matter if its your opponent's turn, a sorcery, or a permanent
Almost all of their monsters, Spells, and Traps have additional abilities you can use once they're in the Graveyard, creating opportunities for huge comebacks
PSA 10 grades can increase value by 200-400% for high-demand Lapras variants