Ad Nauseam
A Modern deck, by Chad Bentley
3rd place at a tournament in Dallas, Texas, United States on 2016-12-11
As reported at www.starcitygames.com

Maindeck:

Artifacts
4 Lotus Bloom
4 Pentad Prism

Creatures
1 Laboratory Maniac
4 Simian Spirit Guide (Banned in Modern)

Enchantments
3 Phyrexian Unlife

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

Sorceries
4 Serum Visions
4 Sleight of Hand

Basic Lands
1 Island
1 Plains
1 Swamp

Lands
4 Darkslick Shores
4 Gemstone Mine (Not currently legal in Modern)
4 Seachrome Coast
4 Temple of Deceit
1 Temple of Enlightenment
1 Tolaria West

Sideboard:
3 Spellskite
2 Grave Titan
4 Leyline of Sanctity
1 Phyrexian Unlife
1 Echoing Truth
1 Slaughter Pact
3 Thoughtseize