Dimir Inverter
A Pioneer deck, by GUL_DUKAT
1st place at a tournament in Magic Online on 2020-07-01

Maindeck:

Creatures
4 Inverter of Truth (Banned in Pioneer)
3 Thassa's Oracle

Instants
4 Dig Through Time
2 Eliminate
4 Fatal Push
2 Hero's Downfall
4 Opt

Legendary Creatures
3 Jace, Vryn's Prodigy

Legendary Planeswalkers
4 Jace, Wielder of Mysteries

Sorceries
2 Thought Erasure
4 Thoughtseize

Basic Lands
6 Island
3 Swamp

Lands
3 Choked Estuary
4 Drowned Catacomb
4 Fabled Passage
4 Watery Grave

Sideboard:
1 Eliminate
3 Mystical Dispute
1 Vraska's Contempt
2 Ashiok, Nightmare Muse
3 Narset, Parter of Veils
2 Languish
2 Legion's End
1 The Elderspell