Sword of Feast and Famine already wins me games just from the protection alone, and having a three drop that can double-trigger many on damage effects, like Mask of Memory and Goldvein Pick, can come in clutch, especially when you need to connect to get those triggers
Its probably that you get to play red cards, which I fundamentally think at the most fun-promoting cards in Commander, augmenting any color or color pair with the juice to get things done with a little chaos and unpredictability thrown in there for good measure
Rather, its the incredibly broad and varied options its capable of knitting together into totally unforeseen strategies that creates an imbalance, and the ease with which even a modest burst of early triggers can snowball into a massive resource lead or outright victory
Barre was developed by a ballerina, Lotte Berk, a German dancer living in London
There are a few mechanics however that do allow for free spells without being far far too good or plain rubbish