Grixis Twin
A Modern deck, by Michael Phelps
8th place at a tournament in Portland, Oregon, United States on 2015-10-18
As reported at www.starcitygames.com

Maindeck:

Creatures
4 Deceiver Exarch
1 Pestermite
4 Snapcaster Mage

Enchantments
3 Splinter Twin (Banned in Modern)

Instants
2 Cryptic Command
1 Dispel
2 Kolaghan's Command
4 Lightning Bolt
4 Remand
1 Spell Snare
2 Terminate

Legendary Creatures
3 Jace, Vryn's Prodigy
2 Tasigur, the Golden Fang

Sorceries
4 Serum Visions

Basic Lands
4 Island
1 Mountain
1 Swamp

Lands
1 Blood Crypt
1 Bloodstained Mire
1 Desolate Lighthouse
3 Polluted Delta
4 Scalding Tarn
3 Steam Vents
2 Sulfur Falls
2 Watery Grave

Sideboard:
3 Dragon's Claw
1 Engineered Explosives
1 Grave Titan
1 Izzet Staticaster
2 Blood Moon
1 Dispel
1 Go for the Throat
1 Kolaghan's Command
1 Pia and Kiran Nalaar
1 Keranos, God of Storms
1 Anger of the Gods
1 Pyroclasm