When you have too many cards in your hand, make use of spare Event cards such as "OP11-060 Let's Crash This Wedding!!!" by trashing them for Nami's [On Your Opponent's Attack] effect, similar to a Counter, allowing you to keep your hand size below 7 to activate your Leader effect
The highlight of the set is the new special energy card, which allows for all new tactics and strategies
MAR cards show up in a dedicated slot in Collector boosters, and you're 100% guaranteed to get one in each booster in that sense, they are more common than proper mythics from the main set
Invoked Shaddoll Shaddoll monsters are able to creep in with their flip effects, or effects that activate upon being sent to the graveyard
Thankfully, I'm not that deep into the game
And his Regenerate ability is particularly important here because, as I briefly touched on earlier, Regenerate does not cause counters to fall off