The best way to climb the ranks is to use the best YuGiOh Master Duel decks
The mix of card types and years makes it useful for both beginners and longtime fans
Something I suggest making it more OP is to make is to add an effect on at least Mastered UI Goku that says, "If a card is unaffected by card effects, cannot be targeted by card effects, cannot be destroyed by battle, or cannot be destroyed by card effects, it can be." or something along those lines as it completely negates card protection.
If youre gifting GX cards are often an easy win because the era has bold designs and lots of recognisable Pokmon
Most cards in this category reward you for casting spells with Treasure, like Rain of Riches, Coin of Mastery, and Mastermind Plum
Still, there were plenty of instances where disaster could have been avoided, and not every character would always make the right choices