Ad Nauseam
A Modern deck, by Noah Smithmier
1st place at a tournament in St Joseph, Missouri, United States on 2016-04-09
As reported at www.starcitygames.com

Maindeck:
1 Island
1 Plains

Artifacts
1 Conjurer's Bauble
4 Lotus Bloom
4 Pentad Prism

Creatures
4 Simian Spirit Guide (Banned in Modern)

Enchantments
3 Phyrexian Unlife

Instants
4 Ad Nauseam
4 Angel's Grace
1 Lightning Storm
1 Mystical Teachings
3 Pact of Negation
2 Peer Through Depths
1 Slaughter Pact

Sorceries
4 Serum Visions
4 Sleight of Hand

Basic Lands
1 Swamp

Lands
2 Flooded Strand
4 Gemstone Mine (Not currently legal in Modern)
1 Hallowed Fountain
2 Polluted Delta
1 Seachrome Coast
2 Temple of Deceit
2 Temple of Enlightenment
1 Tolaria West
1 Watery Grave

Legendary Lands
1 Boseiju, Who Shelters All

Sideboard:
4 Leyline of Sanctity
1 Phyrexian Unlife
1 Celestial Purge
1 Echoing Truth
1 Gigadrowse
2 Hurkyl's Recall
1 Patrician's Scorn
1 Slaughter Pact
1 Teferi, Mage of Zhalfir
1 Drown in Sorrow
1 Duress