Synergy, Griefing, Staples, Building a Doran Deck ) Commander Starter Kits 1 (kick start your allied two-color decks for $25) Commander Starter Kits 2 (kick start your enemy two-color decks for $25) Commander Starter Kits 3 (kick start your shard three-color decks for $25) Commander write-ups Ive done (and links to decklists) : Zurgo Bellstriker (Bellstriking Like a Boss) Dragonlord Ojutai (Troll Shroud) Karrthus, Tyrant of Jund (Dragons, Megamorphs, and Dragons) Dromoka, the Eternal (One Flying Bolster Basket) Shu Yun, the Silent Tempest (Tempests and Teapots) Tasigur, the Golden Fang (Hatching Evil Sultai Plots) Scion of the Ur-Dragon (Dragon Triggers for Everyone) Nahiri, The Lithomancer (Lithomancing for Fun and Profit) Titania, Protector of Argoth (Titanias Land and Elemental Exchange) Reaper King (All About VILLAINOUS WEALTH) Feldon of the Third Path (She Will Come Back to Me) Sidisi, Brood Tyrant (Calling Up Ghouls with Sidisi) Zurgo Helmsmasher (Two Times the Smashing) Anafenza, the Foremost (Anafenza and Your Restless Dead) Narset, Enlightened Master (The New Voltron Overlord) Surrak Dragonclaw (The Art of Punching Bears) Avacyn, Guardian Angel

Most cards on this list are from TLE, with just a few from TLA
However, I think he's at his most potent when he's in the 99 of Simic commanders such as Tishana, Voice of Thunder, Prime Speaker Zegana, or Kruphix, God of Horizons
But we also know that there are players looking for more variety and challenge, for a format where balance problems can be swiftly corrected without needing to ban cards or eliminate whole decks, and now they will have a format built for them
Franklin: (414)-427-8800 Brookfield: (262)-786-9800 Mequon: (262)-292-8000 Releasing Feb
This ones definitely more RBx midrange than GBx, and focused on the sacrifice synergies between Mayhem Devil and other cards