Simic Flash
A Standard deck, by B1gDan
28th place at a tournament on 2019-11-22

Maindeck:
5 Forest
8 Island

Creatures
4 Brazen Borrower (Not currently legal in Standard)
4 Brineborn Cutthroat (Not currently legal in Standard)
4 Frilled Mystic (Not currently legal in Standard)
4 Nightpack Ambusher (Not currently legal in Standard)
2 Spectral Sailor (Not currently legal in Standard)
3 Wildborn Preserver (Not currently legal in Standard)

Instants
3 Mystical Dispute (Not currently legal in Standard)
2 Negate
3 Quench (Not currently legal in Standard)
4 Sinister Sabotage (Not currently legal in Standard)
3 Unsummon (Not currently legal in Standard)

Lands
4 Breeding Pool (Not currently legal in Standard)
1 Castle Vantress (Not currently legal in Standard)
2 Fabled Passage (Not currently legal in Standard)
4 Temple of Mystery (Not currently legal in Standard)

Sideboard:
4 Sorcerous Spyglass (Not currently legal in Standard)
3 Thrashing Brontodon (Not currently legal in Standard)
4 Aether Gust (Not currently legal in Standard)
1 Mystical Dispute (Not currently legal in Standard)
1 Negate
2 Narset, Parter of Veils (Not currently legal in Standard)