Five-Color Niv-Mizzet
A Pioneer deck, by Tyler O'Brien
5th place at a tournament in Philadelphia, Pennsylvania, United States on 2020-02-09

Maindeck:
1 Forest
1 Island
1 Mountain
1 Plains

Creatures
3 Arboreal Grazer
4 Sylvan Caryatid

Instants
3 Abrupt Decay
1 Utter End

Legendary Creatures
4 Niv-Mizzet Reborn
2 Uro, Titan of Nature's Wrath (Banned in Pioneer)

Legendary Planeswalkers
2 Nahiri, the Harbinger
4 Teferi, Time Raveler (Banned in Pioneer)

Sorceries
4 Bring to Light
1 Dreadbore
1 Hour of Devastation
1 Slaughter Games
2 Thoughtseize

Basic Lands
1 Swamp

Lands
3 Breeding Pool
4 Fabled Passage
1 Godless Shrine
2 Mana Confluence
2 Overgrown Tomb
1 Stomping Ground
1 Sunpetal Grove
2 Temple Garden
1 Temple of Abandon
1 Temple of Deceit
2 Temple of Enlightenment
1 Temple of Epiphany
1 Temple of Silence
1 Woodland Cemetery

Sideboard:
4 Hero of Precinct One
2 Voice of Resurgence
1 Rest in Peace
2 Kambal, Consul of Allocation
1 Deafening Clarion
1 Enter the God-Eternals
1 Rakdos's Return
1 Solar Blaze
2 Thoughtseize