Jeskai Superfriends
A Standard deck, by Zan Syed
1st place at a tournament in Syracuse, New York, United States on 2019-05-18

Maindeck:

Instants
1 Lightning Strike (Not currently legal in Standard)
4 Opt (Not currently legal in Standard)
4 Shock (Not currently legal in Standard)
3 Spell Pierce (Not currently legal in Standard)

Legendary Artifacts
2 Mox Amber (Not currently legal in Standard)

Legendary Planeswalkers
2 Karn, Scion of Urza (Not currently legal in Standard)
4 Narset, Parter of Veils (Not currently legal in Standard)
3 Saheeli, Sublime Artificer (Not currently legal in Standard)
4 Sarkhan the Masterless (Not currently legal in Standard)
1 Teferi, Hero of Dominaria (Not currently legal in Standard)
4 Teferi, Time Raveler (Not currently legal in Standard)

Sorceries
3 Deafening Clarion (Not currently legal in Standard)

Lands
1 Clifftop Retreat (Not currently legal in Standard)
3 Glacial Fortress (Not currently legal in Standard)
4 Hallowed Fountain (Not currently legal in Standard)
4 Interplanar Beacon (Not currently legal in Standard)
2 Mobilized District (Not currently legal in Standard)
4 Sacred Foundry (Not currently legal in Standard)
4 Steam Vents (Not currently legal in Standard)
3 Sulfur Falls (Not currently legal in Standard)

Sideboard:
4 Legion Warboss (Not currently legal in Standard)
3 Prison Realm (Not currently legal in Standard)
3 Dovin's Veto (Not currently legal in Standard)
2 Lyra Dawnbringer (Not currently legal in Standard)
1 Deafening Clarion (Not currently legal in Standard)
2 Lava Coil (Not currently legal in Standard)