Aether Hub

Chandra, Torch of Defiance

Decoction Module

Harnessed Lightning

Inventors' Fair

Inventor's Goggles

Pia Nalaar

Skysovereign, Consul Flagship

Spirebluff Canal

Whirler Virtuoso

Aether Swooper

Aethersphere Harvester

Maverick Thopterist

Metallic Rebuke

Reverse Engineer

Spire of Industry

Fetid Pools

Magma Spray

The Scarab God

River's Rebuke

4UU

Field of Ruin

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles their library.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)