Karn the Great Creator Historic Brawl cannot be saved
Trying to build a Karn the great creator historic brawl, cannot be saved, always gives network error, same happens with other colorless commanders with same decklist, any other decks can be saved.
Full decklist:
1 Jhoira's Familiar
1 Workshop Assistant
1 Awakened Amalgam
1 Thought-Knot Seer
1 Matter Reshaper
1 Kozilek, the Great Distortion
1 Wandering Archaic
1 Lodestone Golem
1 Psychosis Crawler
1 Urza's Construction Drone
1 Cityscape Leveler
1 Liberator, Urza's Battlethopter
1 Automated Artificer
1 Patchwork Automaton
1 Faceless Agent
1 Foundry Inspector
1 Meteor Golem
1 Solemn Simulacrum
1 Palladium Myr
1 Steel Overseer
1 Burnished Hart
1 Ulamog, the Ceaseless Hunger
1 Sundering Titan
1 Scrap Trawler
1 Chief of the Foundry
1 Wurmcoil Engine
1 Skyclave Relic
1 Forsaken Monument
1 Springleaf Drum
1 Edifice of Authority
1 Portal to Phyrexia
1 The Mightstone and Weakstone
1 God-Pharaoh's Statue
1 A-Navigation Orb
1 A-Cosmos Elixir
1 Key to the Archive
1 Mystic Forge
1 Mazemind Tome
1 Chromatic Orrery
1 Mishra's Bauble
1 Mind Stone
1 Coldsteel Heart
1 Aetherflux Reservoir
1 Scalding Cauldron
1 Shadowspear
1 Gilded Lotus
1 Planar Bridge
1 Paradox Engine
1 Firemind Vessel
1 Staff of Domination
1 Guardian Idol
1 Hedron Archive
1 Swiftfoot Boots
1 Pristine Talisman
1 Liquimetal Coating
1 Dreamstone Hedron
1 Karn, Scion of Urza
1 Ugin, the Ineffable
1 Karn, Living Legacy
1 Crawling Barrens
1 Detection Tower
1 Zhalfirin Void
1 Bonders' Enclave
1 Sunscorched Desert
1 Karn's Bastion
1 Interplanar Beacon
1 Labyrinth of Skophos
1 Tocasia's Dig Site
1 Demolition Field
1 Hall of Tagsin
1 Mishra's Foundry
1 Crystal Grotto
1 Plaza of Heroes
1 Mech Hangar
1 Treasure Vault
1 Hall of Oracles
1 Cryptic Caves
1 Radiant Fountain
1 Reliquary Tower
1 Field of Ruin
1 Darksteel Citadel
1 Arch of Orazca
1 Ghost Quarter
1 Blast Zone
1 Mutavault
1 Blinkmoth Nexus
1 Sliver Hive
1 Scavenger Grounds
1 Inventors' Fair
1 Buried Ruin
9 Wastes
1 Karn, the Great Creator