Bant Flash
A Standard deck, by Thomas Hendriks
5th place at a tournament in Magic Arena on 2020-06-21

Maindeck:

Creatures
4 Brazen Borrower (Not currently legal in Standard)
1 Frilled Mystic (Not currently legal in Standard)
4 Nightpack Ambusher (Not currently legal in Standard)

Enchantments
4 Shark Typhoon (Not currently legal in Standard)

Instants
4 Aether Gust (Not currently legal in Standard)
3 Dovin's Veto (Not currently legal in Standard)
4 Growth Spiral (Not currently legal in Standard)
4 Mystical Dispute (Not currently legal in Standard)

Legendary Creatures
2 Uro, Titan of Nature's Wrath (Not currently legal in Standard)

Legendary Planeswalkers
4 Teferi, Time Raveler (Not currently legal in Standard)

Basic Lands
2 Forest
3 Island
1 Plains

Lands
4 Breeding Pool (Not currently legal in Standard)
4 Fabled Passage (Not currently legal in Standard)
4 Hallowed Fountain (Not currently legal in Standard)
4 Temple Garden (Not currently legal in Standard)
1 Temple of Enlightenment (Not currently legal in Standard)
1 Temple of Mystery (Not currently legal in Standard)
2 Temple of Plenty (Not currently legal in Standard)

Sideboard:
2 Glass Casket (Not currently legal in Standard)
1 Dream Trawler (Not currently legal in Standard)
3 Knight of Autumn (Not currently legal in Standard)
1 Spectral Sailor (Not currently legal in Standard)
1 Negate
3 Tolsimir, Friend to Wolves (Not currently legal in Standard)
4 Devout Decree (Not currently legal in Standard)