A Ditto owned by Koga may be a reference to Koga being a ninja since he could use it to transform into a second copy of himself or imitate other ninja-related techniques
A superpowered meme deck that arose right out of meme culture, this deck almost begs you to engage in some Amy Cuddy-style power posing right when you sit down, which might be a problem at your table
Yes, these Japanese variants are legal in any format where the cards are legal
Najeela, the Blade-Blossom If you develop ways to get tons of mana in all colors, then Najeela, the Blade-Blossom can be both one of the strongest 5-color commanders and best aggro commanders in the game For , you give your creatures a ton of useful keywords haste, trample, and lifelink and an additional combat phase
Charizard ex and Lucario ex are likely to be the two major chase cards, with both appearing in their shiny forms (A Black Charizard and Yellow Lucario), but it looks like 'Baby Shinies' as they're affectionately known in the TCG will be joining, too
Doctor Doom allows Connive to benefit you no matter the outcome: when you discard a land card, each opponent takes 2 damage, and if it's a nonland card, you still place a +1/+1 counter on the creature that Connived
