Sultai Delirium
A Pioneer deck, by Max Harvey
5th place at a tournament in Newington, Connecticut, United States on 2020-02-16
As reported at http://www.starcitygames.com

Maindeck:

Artifact Creatures
1 Walking Ballista (Banned in Pioneer)

Creatures
2 Murderous Rider
4 Satyr Wayfinder
2 Scavenging Ooze
1 Tireless Tracker

Enchantment Creatures
2 Courser of Kruphix

Instants
2 Abrupt Decay
4 Fatal Push
1 Grisly Salvage

Legendary Creatures
1 Emrakul, the Promised End
1 Ishkanah, Grafwidow
2 Jace, Vryn's Prodigy
4 Uro, Titan of Nature's Wrath (Banned in Pioneer)

Legendary Planeswalkers
1 Liliana, the Last Hope
1 Nissa, Who Shakes the World

Sorceries
4 Thoughtseize
4 Traverse the Ulvenwald

Basic Lands
2 Forest
1 Island
1 Swamp

Lands
4 Blooming Marsh
1 Botanical Sanctum
3 Breeding Pool
3 Fabled Passage
1 Ipnu Rivulet
1 Lumbering Falls
4 Overgrown Tomb
2 Watery Grave

Sideboard:
2 Damping Sphere
1 Pithing Needle
1 Hostage Taker
1 Reclamation Sage
1 Tireless Tracker
2 Leyline of the Void
1 Disdainful Stroke
1 Invasive Surgery
2 Mystical Dispute
1 Kalitas, Traitor of Ghet
2 Unmoored Ego