Sultai Delirium
A Pioneer deck, by Jacob Bard
9th place at a tournament in Philadelphia, Pennsylvania, United States on 2020-02-09
As reported at Classic

Maindeck:
1 Forest
2 Island

Artifact Creatures
1 Walking Ballista (Banned in Pioneer)

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

Enchantment Creatures
2 Courser of Kruphix

Instants
2 Abrupt Decay
4 Fatal Push
2 Grisly Salvage

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

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

Sorceries
4 Thoughtseize
3 Traverse the Ulvenwald

Basic Lands
1 Swamp

Lands
4 Blooming Marsh
1 Botanical Sanctum
4 Breeding Pool
1 Castle Garenbrig
3 Fabled Passage
1 Opulent Palace
4 Overgrown Tomb
1 Watery Grave

Sideboard:
1 Hostage Taker
1 Reclamation Sage
1 Tireless Tracker
3 Leyline of the Void
1 Cast Down
2 Disdainful Stroke
2 Mystical Dispute
1 Sultai Charm
1 Duress
1 Lost Legacy