Mono-White Aggro
A Standard deck, by Hoshi Yuki
1st place at a tournament in MTG Arena on 2020-07-19

Maindeck:

Creatures
4 Garrison Cat (Not currently legal in Standard)
4 Giant Killer (Not currently legal in Standard)
4 Hunted Witness (Not currently legal in Standard)
4 Seasoned Hallowblade (Not currently legal in Standard)
4 Selfless Savior (Not currently legal in Standard)
4 Venerated Loxodon (Not currently legal in Standard)

Enchantments
4 Glorious Anthem (Not currently legal in Standard)

Instants
4 Raise the Alarm (Not currently legal in Standard)
3 Unbreakable Formation (Not currently legal in Standard)

Sorceries
4 Basri's Solidarity (Not currently legal in Standard)

Basic Lands
17 Plains

Lands
4 Castle Ardenvale (Not currently legal in Standard)

Sideboard:
3 Glass Casket (Not currently legal in Standard)
4 Bounty Agent (Not currently legal in Standard)
2 Fight as One (Not currently legal in Standard)
1 Unbreakable Formation (Not currently legal in Standard)
2 Gideon Blackblade (Not currently legal in Standard)
3 Devout Decree (Not currently legal in Standard)