Mono-Blue Energy
Featured by Matt Higgs on 2017-06-15 (Standard)

Maindeck:

Artifacts
2 Aethersphere Harvester (Not currently legal in Standard)
1 Deadlock Trap (Not currently legal in Standard)
2 Decoction Module (Not currently legal in Standard)
1 Fabrication Module (Not currently legal in Standard)

Artifact Creatures
2 Foundry Inspector (Not currently legal in Standard)
2 Hedron Crawler (Not currently legal in Standard)
2 Walking Ballista (Not currently legal in Standard)

Creatures
1 Aethersquall Ancient (Not currently legal in Standard)
4 Elder Deep-Fiend (Not currently legal in Standard)
4 Glint-Nest Crane (Not currently legal in Standard)
4 Janjeet Sentry (Not currently legal in Standard)
1 Quicksmith Spy (Not currently legal in Standard)
4 Trophy Mage (Not currently legal in Standard)
4 Vizier of Tumbling Sands (Not currently legal in Standard)

Legendary Artifacts
1 Kefnet's Monument (Not currently legal in Standard)

Legendary Creatures
1 Kefnet the Mindful (Not currently legal in Standard)

Basic Lands
20 Island

Lands
4 Skyline Cascade (Not currently legal in Standard)