Grixis Twin
A Modern deck, by Micah Kilian
3rd place at a tournament in Cayce, South Carolina, United States on 2015-06-07
As reported at www.starcitygames.com

Maindeck:

Creatures
4 Deceiver Exarch
2 Pestermite
3 Snapcaster Mage

Enchantments
4 Splinter Twin (Banned in Modern)

Instants
2 Cryptic Command
1 Electrolyze
1 Kolaghan's Command
4 Lightning Bolt
1 Murderous Cut
4 Remand
2 Spell Snare
1 Terminate

Legendary Creatures
2 Tasigur, the Golden Fang

Sorceries
4 Serum Visions
3 Thoughtseize

Basic Lands
4 Island
1 Mountain
1 Swamp

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

Sideboard:
1 Engineered Explosives
2 Relic of Progenitus
1 Spellskite
2 Dispel
2 Kolaghan's Command
2 Negate
2 Keranos, God of Storms
1 Jace, Architect of Thought
2 Anger of the Gods