Kethis Combo
A Pioneer deck, by Ian Connelly
6th place at a tournament in Wallingford, Connecticut, United States on 2020-02-29
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
2 Terrarion

Creatures
4 Diligent Excavator
3 Gilded Goose

Legendary Artifacts
4 Mox Amber

Legendary Artifact Creatures
4 Hope of Ghirapur

Legendary Creatures
4 Emry, Lurker of the Loch
4 Kethis, the Hidden Hand (Banned in Pioneer)
4 Lazav, the Multifarious
2 Uro, Titan of Nature's Wrath (Banned in Pioneer)

Legendary Planeswalkers
2 Tamiyo, Collector of Tales
4 Teferi, Time Raveler (Banned in Pioneer)
2 Vraska, Golgari Queen

Lands
4 Blooming Marsh
4 Botanical Sanctum
1 Godless Shrine
4 Hallowed Fountain
4 Mana Confluence
2 Temple Garden
1 Watery Grave

Legendary Lands
1 Urborg, Tomb of Yawgmoth

Sideboard:
2 Soul-Guide Lantern
1 Knight of Autumn
1 Assassin's Trophy
4 Fatal Push
1 Ashiok, Dream Render
1 Jace, Wielder of Mysteries
2 Urza's Ruinous Blast
3 Thoughtseize