Are you a fan of the art
I cant possibly list here all the strategies because I am pretty sure there are 50+ viable decks that you can pilot to a tournament win, so I am including here the ones you are most likely to fight against, either because they are very strong or popular among new players
Baronne de Fleur A generic Synchro boss monster and one of the best Yu-Gi-Oh
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When this card inflicts battle damage to your opponent by a direct attack: You can shuffle both 1 "Watt" Tuner from your GY and 1 face-up non-Tuner Thunder monster you control into the Deck, and if you do, Special Summon 1 "Watt" Synchro Monster from your Extra Deck, except "Wattkyuki"
Legendary Creature - Beholder Lieutenants of the Guard Council's dilemma When this creature enters, starting with you, each player votes for strength or numbers