Mono-Green Cloudpost
A Legacy deck, by Leviathan102
5th place at a tournament in Magic Online on 2020-09-06

Maindeck:

Artifacts
4 Expedition Map
4 Pithing Needle

Creatures
1 Allosaurus Shepherd
4 Elvish Reclaimer
2 Primeval Titan
1 Ramunap Excavator
1 Reclamation Sage

Instants
4 Crop Rotation
4 Once Upon a Time

Legendary Artifact Creatures
1 Golos, Tireless Pilgrim

Legendary Creatures
1 Emrakul, the Aeons Torn
1 Kozilek, Butcher of Truth
1 Ulamog, the Ceaseless Hunger

Sorceries
4 Green Sun's Zenith

Basic Lands
7 Forest

Lands
1 Bojuka Bog
1 Cavern of Souls
4 Cloudpost
1 Glacial Chasm
4 Glimmerpost
1 Maze of Ith
2 Thespian's Stage
1 Verdant Catacombs
2 Vesuva

Legendary Lands
1 Eye of Ugin
1 Karakas

Legendary Snow Lands
1 Dark Depths

Sideboard:
1 Walking Ballista
1 Collector Ouphe
2 Faerie Macabre
4 Carpet of Flowers
4 Force of Vigor
2 Mindbreak Trap
1 The Tabernacle at Pendrell Vale