U/R Delver
Featured by Ari Lax on 2014-10-30 (Modern)
As written about in http://www.starcitygames.com/php/news/article/29625.html

Maindeck:

Creatures
4 Delver of Secrets
4 Monastery Swiftspear
2 Snapcaster Mage
4 Young Pyromancer

Instants
1 Electrolyze
1 Gut Shot
4 Lightning Bolt
2 Mana Leak
3 Remand
2 Spell Snare
2 Vapor Snag

Sorceries
1 Forked Bolt
4 Gitaxian Probe (Banned in Modern)
4 Serum Visions
4 Treasure Cruise (Banned in Modern)

Basic Lands
3 Island
2 Mountain

Lands
1 Arid Mesa
4 Misty Rainforest
4 Scalding Tarn
3 Steam Vents
1 Sulfur Falls

Sideboard:
4 Dragon's Claw
1 Blood Moon
1 Dispel
2 Electrickery
1 Magma Spray
2 Negate
2 Spell Pierce
2 Shattering Spree