Stadium card Lumiose City, Rock Fighting Energy Special Energy and Core Memory Tool Card are some of the other Trainer and Energy cards
After you attack your opponent directly with Victory Dragon and set their LP to 0, you'll win the entire best of 3, not just one game
It's generally recommended to inspect your cards carefully yourself and send the best candidates directly to BGS
If EX cards get knocked out, for example, then players must give up two of their prize cards to their opponent, rather than one
Its a bit better than that, and it subtly gives some hate to the decks that revolve around interactions with tokens like Treasure tokens, or even Clue tokens
Sanctuary Warden is a card Im pretty interested in running in a deck like Shalai, Voice of Plenty, where generated +1/+1 counters can be turned into card draw and chump blockers, while shield counters can do the most work under a blanket of hexproof