This cost you 2000 Life Points, but that's a small price to pay for potentially winning the game in one turn
Team Taiyo ran a Stall Burn deck to hold the opponent off until Zushin was summoned, but in reality the stall-burn strategy alone would be more than enough to do the job without Zushin
No Kill like Overkill: Numerous times, characters will pointlessly weaken themselves in order to boost their monsters powers or completely clear the field before delivering a final blow so that not only do their opponent's life points drop to 0, but all their monsters are gone too - this being in situations where they could save themselves the trouble and just attack outright and win
If youre not up to making your own decks, there are also many Auto Deck Machines to give you various possibilities, depending on if you have the cards
For instance, theres a lowly Miltank card that prevents all damage from V-type Pokmon, which rather ruins their best plans
Although Mega Evolution made cameo appearances in seventh-generation TCG sets Miracle Twin [SM11] and Alter Genesis [SM12], these were on stand-alone cards