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
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
Card number 59/204 features gorgeous artwork of the sorcerer villain, and is currently valued on TCGplayer at $11.24 USD
And his Regenerate ability is particularly important here because, as I briefly touched on earlier, Regenerate does not cause counters to fall off
Artifact Scythe , however, is truly unparalleled in its stopping power