Aluren
A Legacy deck, by Otaba
5th place at a tournament in Magic Online on 2020-08-09

Maindeck:

Creatures
1 Cavern Harpy
1 Eternal Witness
4 Noble Hierarch
4 Recruiter of the Guard

Enchantments
4 Aluren

Instants
3 Abrupt Decay
4 Brainstorm
4 Force of Will
3 Swords to Plowshares

Legendary Creatures
1 Leovold, Emissary of Trest
1 Niambi, Esteemed Speaker
1 Ukkima, Stalking Shadow
1 Uro, Titan of Nature's Wrath

Legendary Planeswalkers
2 Oko, Thief of Crowns (Banned in Legacy)
3 Teferi, Time Raveler

Snow Artifacts
4 Arcum's Astrolabe (Banned in Legacy)

Snow Creatures
4 Ice-Fang Coatl

Sorceries
4 Green Sun's Zenith
4 Ponder

Basic Snow Lands
3 Snow-Covered Forest
3 Snow-Covered Island
1 Snow-Covered Swamp

Lands
1 Bayou
4 Misty Rainforest
3 Polluted Delta
2 Prismatic Vista
1 Savannah
1 Tropical Island
1 Tundra
1 Underground Sea
4 Verdant Catacombs

Land Creatures
1 Dryad Arbor

Legendary Lands
1 Karakas

Sideboard:
1 Relic of Progenitus
1 Knight of Autumn
2 Plague Engineer
1 Scavenging Ooze
2 Carpet of Flowers
1 Force of Negation
3 Surgical Extraction
1 Swords to Plowshares
2 Veil of Summer
1 Yorion, Sky Nomad