Thus far, Izzet shows a clear lead among strictly 2-color decks, although Golgari with a light splash is the best-performing combination overall
It does work very nice against Settle the Wreckage, allowing you to sacrifice the creatures that would get exiled to play new spells on your turn, but not so much against sweepers cast on your opponents turn unless you reveal instants
Kefka, Dancing Mad Decks on EDHREC: 273 While a seven-mana commander is a pretty hard sell nowadays, especially in such not-rampy colors, Kefka is still a great commander option if you love stealing cards from other players
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Few decks can fend off that many goblins, especially when Goblin Warchief makes them cheaper and grants them haste
Its less popular an archetype than straight up Voltron, but its more viable than ever with all of the free and reduced equip creatures