Four-Color Ramp
A Historic deck, by Aaron Gertler
2nd place at a tournament in Magic Arena on 2020-10-09

Maindeck:
3 Forest
3 Island
2 Mountain
1 Plains

Creatures
4 Lotus Cobra

Enchantments
1 Felidar Retreat

Instants
2 Growth Spiral

Legendary Creatures
1 Kenrith, the Returned King (Not currently legal in Historic)
4 Omnath, Locus of Creation (Banned in Historic)
3 Uro, Titan of Nature's Wrath (Banned in Historic)
2 Yasharn, Implacable Earth

Legendary Planeswalkers
1 Ugin, the Spirit Dragon

Sorceries
1 Cultivate
4 Escape to the Wilds
4 Explore
3 Genesis Ultimatum
1 Shatterskull Smashing

Lands
4 Fabled Passage
1 Glacial Fortress
3 Hinterland Harbor
4 Ketria Triome
4 Raugrin Triome
1 Sacred Foundry
3 Temple Garden

Sideboard:
1 Grafdigger's Cage
1 Oracle of Mul Daya
1 Scavenging Ooze
4 Aether Gust
2 Mystical Dispute
1 Negate
1 Pact of Negation (Not currently legal in Historic)
1 Kenrith, the Returned King (Not currently legal in Historic)
3 Deafening Clarion