Retrieved August 12, 2013
In this case, +2/+0 and Haste
Granted, I have yet to find the list where ratios are so important that its worth decreasing the concentrations of the best cards in your deck to get there, but that hardly implies that such a list will never exist
I cant see how this is broken quite yet, but people are definitely speculating on just that with a $16 price tag

Muxus, Goblin Grandee | Commander | Jim Davis Commander (1) 1 Muxus, Goblin Grandee Creatures (45) 1 Arms Dealer 1 Battle Cry Goblin 1 Beetleback Chief 1 Changeling Berserker 1 Cheering Fanatic 1 Conspicuous Snoop 1 Dockside Extortionist 1 Foundry Street Denizen 1 Gempalm Incinerator 1 Goblin Bushwhacker 1 Goblin Chainwhirler 1 Goblin Chieftain 1 Goblin Chirurgeon 1 Goblin Instigator 1 Goblin King 1 Goblin Lackey 1 Goblin Matron 1 Goblin Piledriver 1 Goblin Recruiter 1 Goblin Ringleader 1 Goblin Sharpshooter 1 Goblin Tinkerer 1 Goblin Trashmaster 1 Goblin Warchief 1 Grenzo, Havoc Raiser 1 Hobgoblin Bandit Lord 1 Impulsive Pilferer 1 Kiki-Jiki, Mirror Breaker 1 Krenko, Mob Boss 1 Krenko, Tin Street Kingpin 1 Legion Warboss 1 Lightning Crafter 1 Mogg Fanatic 1 Mogg War Marshal 1 Pashalik Mons 1 Purphoros, God of the Forge 1 Reckless Bushwhacker 1 Siege-Gang Commander 1 Skirk Fire Marshal 1 Skirk Prospector 1 Sparksmith 1 Torch Courier 1 Treasure Nabber 1 Volley Veteran 1 Wily Goblin Instants (8) 1 Brightstone Ritual 1 Seething Song 1 Jeska's Will 1 Mizzium Mortars 1 Impact Tremors 1 Molten Echoes 1 Fable of the Mirror-Breaker // Reflection of Kiki-Jiki 1 Shared Animosity Artifacts (13) 1 Basilisk Collar 1 Grim Monolith 1 Heraldic Banner 1 Herald's Horn 1 Jeweled Amulet 1 Jeweled Lotus 1 Mana Crypt 1 Mana Vault 1 Mind Stone 1 Ruby Medallion 1 Skullclamp 1 Sol Ring 1 Vanquisher's Banner Lands (33) 16 Mountain 1 Ancient Tomb 1 Castle Embereth 1 Cavern of Souls 1 Command Beacon 1 Crystal Vein 1 Dwarven Ruins 1 Flamekin Village 1 Mutavault 1 Myriad Landscape 1 Nykthos, Shrine to Nyx 1 Path of Ancestry 1 Ramunap Ruins 1 Sanctum of Eternity 1 Shinka, the Bloodsoaked Keep 1 Strip Mine 1 War Room 1 Wasteland It's obviously impossible to go over every card in a Commander deck, but let's break down the important parts

Built to Smash Chandra's Pyrohelix Fateful Showdown Flame Lash Harnessed Lightning Incendiary Sabotage Unlicensed Disintegration Welding Sparks