While cards with very wide ranges of performance can be fine you ideally don't want them to be your answers
Main Protagonists: Yugi Muto: Dark Magician Jaden Yuki: Elemental HERO Neos Yusei Fudo: Stardust Dragon Yuma Tsukumo: Number 39: Utopia Yuya Sakaki: Odd-Eyes Pendulum Dragon Yusaku Fujiki/Playmaker: Decode Talker Main Rivals: Seto Kaiba: Blue-Eyes White Dragon Chazz Pinceton: Armed Dragon LV10 Jack Atlas: Red Dragon Archfiend Kite Tenjo: Galaxy-Eyes Photon Dragon Declan Akaba: D/D/D Doom King Armageddon Roken Kogami/Varis: Borreload Dragon Yugi, Jaden/Judai, Yusei, Yuma, Yuya, Yusaku/Playmaker, Yuga, Seto, Chazz/Jun, Jack, Kite/Kaito, Declan/Reiji, Ryoken/Roken/Varis/Revolver, and Roa all belong to Konami and Shueisha
You can destroy them all, and you'll give them a gift since this is common for White like Path to Exile or Generous Gift
You can add Eevee (from Wisdom of Sea and Sky) and regular Flareon (from Eevee Grove) to handle early-game while you get Ho-Oh EX ready, and create a winning Fire deck that drives your opponent insane with all the switch-outs and Energy generation