Or not make a format without potential for these decks, otherwise we would have that and not Aetherworks Marvel or Nexus of Fate
First up is Tactical Teamwork, an Amber/Sapphire deck that has two main play lines
My cousin Richard and I have always been close, Fay continued
$25 Upgrade +1/+1 Counters is a very deep archetype so there's more sweet upgrade options that I could ever hope to cover, but I selected some of my favorites: for protection I've added Bulwark Ox and Mutational Advantage, a bunch of proliferates with Metastatic Evangel and Dreamtide Whale being the two best, ramp got a massive upgrade with Astral Cornucopia / Kami of Whispered Hopes / Purestrain Genestealer / Summon: Fenrir, and so on
Since Sagas are also enchantments, Wildsear, Scouring Maws cascade ability triggers each time you cast a Saga from your hand
Also, no promo cards are included here (Secret Lair Drops don't count as promos)