That answer comes in the form of the Bracket system, which is WotCs attempt to hammer out some of the wishy-washiness of Commander and lay down guidelines for players to abide by

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Two-for-ones of both families tend to be pillars of Limited play
The best amber Rise of the Floodborn cards are excellent at working together to support one another, eventually making a well-oiled machine that will pump out lore all the way to victory
The Dream Team "I've always wanted to make a pony deck" I thought as I gazed over the list of horses, pegasus, and unicorns over on Gatherer while researching this one
Shield Sphere Shield Sphere is hyper-niche