You will achieve a duel assessment of 7000 If you can inflict over 9999 damage with Cerberus's attack while no card is in your deck and just 100 your Life Points remain. You can increase the score by 200 by each time you use Prismatic Card.
Shard of Greed & Twister are necessary!
You need those two spell cards to deal with Tea's annoying cards: Cards from the Sky and Solemn Wishes. The former get her to lose due to deck out and the latter increase her Life Points over 10,000.
See the deck page for the basics!
For how to use the High Score Cerberus deck, tap the button below and read through the page. The page shows many tips for getting high score with this deck.
Tea does not use Twister or other spell removal, so Wonder Balloons can decrease the ATK of monsters she controls continuously. That helps your monster to beat Dunames Dark Witch, the 1800 ATK low-level monster.
Counter LP regeneration by "Simochi"
Bad Reaction to Simoch will work outstandingly to defeat Tea by reversing the effect of Solemn Wishes: she will receive 500 effect damage in the each draw phase.