Grixis Twin
Featured by Todd Anderson on 2011-05-29 (Standard)
As written about in http://www.starcitygames.com/php/news/article/21963.html

Maindeck:

Artifact Creatures
3 Spellskite (Not currently legal in Standard)

Creatures
4 Deceiver Exarch (Not currently legal in Standard)
1 Grave Titan (Not currently legal in Standard)

Enchantments
4 Splinter Twin (Not currently legal in Standard)

Instants
2 Dismember (Not currently legal in Standard)
2 Doom Blade (Not currently legal in Standard)
3 Spell Pierce (Not currently legal in Standard)

Legendary Planeswalkers
2 Jace Beleren (Not currently legal in Standard)
3 Jace, the Mind Sculptor (Not currently legal in Standard)

Sorceries
2 Duress
4 Inquisition of Kozilek (Not currently legal in Standard)
4 Preordain (Not currently legal in Standard)
1 See Beyond (Not currently legal in Standard)

Basic Lands
3 Island
3 Mountain
1 Swamp

Lands
4 Blackcleave Cliffs (Not currently legal in Standard)
4 Creeping Tar Pit (Not currently legal in Standard)
4 Darkslick Shores (Not currently legal in Standard)
4 Scalding Tarn (Not currently legal in Standard)
2 Terramorphic Expanse (Not currently legal in Standard)

Sideboard:
1 Spellskite (Not currently legal in Standard)
1 Grave Titan (Not currently legal in Standard)
1 Dispel (Not currently legal in Standard)
2 Doom Blade (Not currently legal in Standard)
3 Flashfreeze (Not currently legal in Standard)
1 Into the Roil
2 Duress
4 Pyroclasm (Not currently legal in Standard)