Mono-White Heliod
A Pioneer deck, by Logan Underwood
1st place at a tournament in Louisville, Kentucky, United States on 2020-03-01
As reported at http://www.starcitygames.com

Maindeck:
18 Plains

Artifact Creatures
2 Arcanist's Owl
4 Walking Ballista (Banned in Pioneer)

Creatures
3 Benalish Marshal
3 Knight of the White Orchid
4 Thraben Inspector

Enchantments
2 Baffling End
2 Stasis Snare

Legendary Creatures
2 Anafenza, Kin-Tree Spirit
2 Tomik, Distinguished Advokist

Legendary Enchantment Creatures
2 Daxos, Blessed by the Sun
4 Heliod, Sun-Crowned

Legendary Planeswalkers
1 Gideon Blackblade
2 Gideon of the Trials
2 Gideon, Ally of Zendikar

Lands
1 Castle Ardenvale
3 Idyllic Grange

Legendary Lands
3 Nykthos, Shrine to Nyx

Sideboard:
1 Damping Sphere
1 Glass Casket
2 Baffling End
2 Elspeth Conquers Death
3 Rest in Peace
1 Stasis Snare
1 Gideon, Ally of Zendikar
2 Fragmentize
2 Glare of Heresy