Do not let your opponent play any Pyro type monsters or it will kill them
Even if you only use his effect to summon back 2 Shingetsu, you still are getting the Hopper Lock out of the deal
Closing Thoughts To summarize, here are a few maxims for deckbuilding: there are a few Item/Supporters cards you basically always want in your deck (Poke Ball, Professors Research, Potions, X Speed), some Supporters you usually want to include (Sabrina, Giovanni), and Supporters that are more situational but are incredible in certain decks (Misty, Erika, Blaine, Koga)
Later STSs and Worlds events had different qualifier tournaments and means to earn trips
In other cases, it simply seems to pay for gimmicks