Elves
A Modern deck, by Mason Purcell
5th place at a tournament in Columbia, Missouri, United States on 2017-11-04
As reported at www.starcitygames.com

Maindeck:

Creatures
4 Devoted Druid
4 Dwynen's Elite
4 Elvish Archdruid
4 Elvish Mystic
1 Elvish Visionary
1 Eternal Witness
4 Heritage Druid
4 Llanowar Elves
3 Nettle Sentinel
1 Scavenging Ooze
1 Vizier of Remedies

Instants
4 Chord of Calling
4 Collected Company

Legendary Creatures
3 Ezuri, Renegade Leader

Basic Lands
3 Forest

Lands
3 Cavern of Souls
1 Horizon Canopy
4 Razorverge Thicket
2 Temple Garden
3 Verdant Catacombs
1 Westvale Abbey

Legendary Lands
1 Pendelhaven (Not currently legal in Modern)

Sideboard:
1 Phyrexian Revoker
1 Aven Mindcensor
1 Burrenton Forge-Tender
1 Chameleon Colossus
1 Kitchen Finks
1 Reclamation Sage
1 Scavenging Ooze
1 Selfless Spirit
1 Eidolon of Rhetoric
2 Fracturing Gust
3 Path to Exile
1 Dusk