Dimir Inverter
A Pioneer deck, by Harry13
5th place at a tournament in Magic Online on 2020-06-16

Maindeck:

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

Instants
3 Censor
4 Dig Through Time
4 Fatal Push
3 Hero's Downfall
4 Opt

Legendary Creatures
3 Jace, Vryn's Prodigy

Legendary Planeswalkers
3 Jace, Wielder of Mysteries

Sorceries
1 Collective Brutality
4 Thoughtseize

Basic Lands
6 Island
2 Swamp

Lands
2 Choked Estuary
4 Drowned Catacomb
4 Fabled Passage
2 Fetid Pools
4 Watery Grave

Sideboard:
3 Mystical Dispute
1 Negate
1 Tyrant's Scorn
2 Kalitas, Traitor of Ghet
1 Ashiok, Nightmare Muse
2 Narset, Parter of Veils
1 Collective Brutality
1 Languish
2 Legion's End
1 Ritual of Soot