Ad Nauseum
A Modern deck, by Keenan McDonald
15th place at a tournament in Richmond, Virginia, United States on 2020-02-02

Maindeck:

Artifacts
4 Lotus Bloom
4 Pentad Prism

Creatures
4 Simian Spirit Guide (Banned in Modern)
1 Thassa's Oracle

Enchantments
4 Phyrexian Unlife

Instants
4 Ad Nauseam
4 Angel's Grace
1 Lightning Storm
3 Pact of Negation
3 Spoils of the Vault

Sorceries
4 Serum Visions
4 Sleight of Hand

Basic Lands
1 Island
1 Plains

Lands
3 City of Brass
3 Darkslick Shores
4 Gemstone Mine (Not currently legal in Modern)
3 Seachrome Coast
3 Temple of Deceit
2 Temple of Enlightenment

Sideboard:
1 Godhead of Awe
1 Sphinx of the Final Word
4 Leyline of Sanctity
1 Echoing Truth
2 Path to Exile
3 Veil of Summer
1 Bontu's Last Reckoning
2 Thoughtseize