Today, I decided to check again the Spikes Reddit thread as it is usually updated with decklists, tournament results and deck techs of various formats (Standard, Modern, etc). One of the threads I have found is the tournament results of the AetherHub Community Tournament last Nov 30th with 61 participants. The winning deck is Izzet Flash, and the build improved in a tempo type but can quickly finish off opponents with the inclusion of Embercleave for a double-strike damage clock. For a long game option, it has Gadwick for hand draw replenish.

Check out the decklist below, piloted by D3m0nger.

Maindeck
1 Blast Zone
2 Castle Vantress
2 Fabled Passage
9 Island
4 Mountain
4 Steam Vents
4 Temple of Epiphany

4 Bonecrusher Giant
4 Brazen Borrower
4 Brineborn Cutthroat
3 Gadwick, the Wizened

4 Ionize
2 Negate
4 Opt
2 Quench
3 Ral’s Outburst
2 Shock
2 Embercleave

Sideboard
2 Chandra, Awakened Inferno
3 Flame Sweep
3 Lava Coil
3 Mystical Dispute
1 Negate
3 Sorcerous Spyglass

References:

http://mtgtop8.com/event?e=23874&f=ST
https://www.reddit.com/r/spikes/comments/e4kodi/standard_tournament_results_aetherhub_community/