If you were hesitant to go for an unfair approach in Cube before now, hopefully you are coming away with the tools to identify and take advantage of some of the sideways strategies available, and become the unfairest of them all
Soldiers often dominate a ground game, then Harbin lets you count up your lethal damage and overwhelm an opponent that might have a few fliers, or even one big one, but it's rarely enough to defend against a pumped battalion flying at them
MTG players will soon be able to get their hands on the Universes Beyond: Fallout set
Golgari can do it too, though, and has access to a bunch of good commanders like Carth the Lion or partner decks with Reyhan, Last of the Abzan
Or, using Thrasios, Triton Hero and its partner ability to make all kinds of different colored decks