Colorless competitive brawl deck advice

I am trying to build a artifact colorless deck to brawl, but I'm not really good in deck building, so I hope there's someone who could help with some advice. I know, that going with a color is definitely better, but colorless is fun;)

For now I have this list, but it's not that good:

Commander

1 Ultron, Artificial Malevolence (MSH) 252

Deck

1 Ugin's Labyrinth (MH3) 233

1 Ornithopter (BRR) 37

1 Tormod's Crypt (M21) 241

1 Commander's Plate (TMC) 135

1 Drix Interlacer (Y25) 29

1 Ghostfire Blade (KTK) 220

1 Gingerbrute (ELD) 219

1 Lavaspur Boots (OTJ) 243

1 Lost Jitte (BIG) 23

1 Ancient Tomb (EOS) 1

1 Blast Zone (EOS) 2

1 Null Elemental Blast (MH3) 12

1 Retrofitter Foundry (C18) 57

1 Shadowspear (THB) 236

1 Springleaf Drum (BRR) 55

1 Command Beacon (FCA) 64

1 Coldsteel Heart (CSP) 136

1 Arcbound Ravager (PZA) 0

1 Chrome Dome (TMT) 172

1 Guardian Idol (JMP) 467

1 Lightning Greaves (MRD) 199

1 Conduit Pylons (OTJ) 254

1 Mind Stone (WTH) 153

1 Myr Convert (ONE) 234

1 Ornithopter of Paradise (MH2) 232

1 Deserted Temple (MH3) 301

1 Solar Transformer (MH3) 211

1 Steel Overseer (M20) 239

1 Crystal Grotto (WOE) 254

1 Syr Ginger, the Meal Ender (WOE) 252

1 The Irencrag (WOE) 248

1 Dust Bowl (OTP) 65

1 Cavern of Souls (LCI) 269

4 Snow-Covered Wastes (MH3) 229

1 Warping Wail (SPG) 0

1 Adaptive Automaton (FDN) 723

1 Chief of the Foundry (J25) 747

1 Cloud Key (BRR) 12

1 Eden, Seat of the Sanctum (FIN) 277

1 Foundry Inspector (BRR) 16

1 Iron Spider, Stark Upgrade (SPM) 166

1 Bonders' Enclave (EOS) 4

1 Darksteel Citadel (M15) 242

1 Semblance Anvil (BRR) 52

1 Sword of Fire and Ice (SPG) 62

1 Sword of Wealth and Power (BIG) 26

1 Tezzeret, Cruel Captain (EOE) 2

1 Weather Maker (TMT) 182

1 Worn Powerstone (MH3) 298

1 A-Karn, Living Legacy (DMU) 1

1 A-The One Ring (LTR) 246

1 Frogmite (SPG) 61

1 Mithril Coat (LTR) 245

1 Mystic Forge (BRR) 36

1 Solemn Simulacrum (M21) 239

1 Spirited Simulacrum (Y25) 30

1 The Aetherspark (DFT) 231

1 The Vision (MSH) 255

1 Arc Reactor (MSH) 243

1 Dawnsire, Sunstar Dreadnought (EOE) 238

1 Forsaken Monument (ZNR) 244

1 Introduction to Annihilation (STX) 3

1 Karn, Legacy Reforged (MAT) 49

1 The Mightstone and Weakstone (BRO) 238

1 Zuko's Exile (TLA) 3

1 Echoes of Eternity (MH3) 4

1 Meteor Golem (FDN) 256

1 The Endstone (EOE) 240

1 Ugin, Eye of the Storms (TDM) 1

1 Krang, Utrom Warlord (TMT) 175

1 Hangarback Walker (ORI) 229

1 Kozilek's Command (MH3) 11

1 A-Hall of Tagsin (BRO) 263

1 Field of Ruin (XLN) 254

1 Fomori Vault (BIG) 29

1 Fountainport (BLB) 253

1 Hidden Grotto (BLB) 254

1 Inventors' Fair (EOS) 21

1 Library of Alexandria (VMA) 303

1 Muraganda Raceway (DFT) 257

1 Mutavault (EOS) 28

1 Petrified Hamlet (SOS) 259

1 Reliquary Tower (M19) 254

1 Rogue's Passage (FDN) 264

1 Sandstorm Verge (OTJ) 263

1 Secluded Starforge (EOE) 257

1 Secret Tunnel (TLA) 278

1 Soulstone Sanctuary (FDN) 133

1 Terrain Generator (EOS) 43

1 The Gold Saucer (FIN) 279

1 The Mycosynth Gardens (ONE) 256

1 The Mystical Archive (Y26) 30

1 Thespian's Stage (EOS) 44

1 Tomb of the Spirit Dragon (KTK) 245

1 Urza's Cave (MH3) 234

1 Zhalfirin Void (DAR) 249