Temur Elementals
A Standard deck, by JakeHelms
4th place at a tournament in Magic Online on 2020-01-18

Maindeck:

Creatures
3 Cavalier of Thorns (Not currently legal in Standard)
2 Hydroid Krasis (Not currently legal in Standard)
4 Leafkin Druid (Not currently legal in Standard)
3 Paradise Druid (Not currently legal in Standard)
4 Risen Reef (Not currently legal in Standard)

Enchantments
2 The Akroan War (Not currently legal in Standard)

Legendary Creatures
3 Omnath, Locus of the Roil (Not currently legal in Standard)

Legendary Enchantment Creatures
3 Thassa, Deep-Dwelling (Not currently legal in Standard)

Legendary Planeswalkers
2 Chandra, Acolyte of Flame (Not currently legal in Standard)
4 Nissa, Who Shakes the World (Not currently legal in Standard)

Sorceries
2 Claim the Firstborn (Not currently legal in Standard)
3 Neoform (Not currently legal in Standard)

Basic Lands
2 Forest
1 Island
1 Mountain

Lands
4 Breeding Pool (Not currently legal in Standard)
2 Castle Vantress (Not currently legal in Standard)
1 Fabled Passage (Not currently legal in Standard)
4 Steam Vents (Not currently legal in Standard)
4 Stomping Ground (Not currently legal in Standard)
2 Temple of Abandon (Not currently legal in Standard)
1 Temple of Epiphany (Not currently legal in Standard)
3 Temple of Mystery (Not currently legal in Standard)

Sideboard:
1 Agent of Treachery (Not currently legal in Standard)
1 Shifting Ceratops (Not currently legal in Standard)
2 Mystic Repeal (Not currently legal in Standard)
2 Mystical Dispute (Not currently legal in Standard)
2 Negate
1 Whirlwind Denial (Not currently legal in Standard)
2 Chandra, Awakened Inferno (Not currently legal in Standard)
2 Act of Treason (Not currently legal in Standard)
2 Claim the Firstborn (Not currently legal in Standard)