Cubes can vary in power level, and can have anywhere from 180 to more than 720 cards
As such, while the mana base is fine if you are a brand-new Commander player, if you already have a Commander collection of any size at all, you probably already have all of the lands that Commander 2018 has to offer
In the early game, Mewtwo EX is a giant threat for this deck
I can only get the lessons that are in the first seven slots, because, at the time, players put 14-15 different lessons without any downside in their sideboard, so WotC limited it to 7 slots in best-of-one to reduce this strategys effectiveness
;) I can think of dozens of examples of that feeling, but I don't think of them when I try to visualize power