UW Stoneblade by Vu Phan

Creatures (12)
Stoneforge Mystic
Snapcaster Mage
Vendilion Clique
Spellstutter Sprite

Spells (25)
Spell Snare
Spell Pierce
Counterspell
Force of Will
Repeal
Swords to Plowshares
Brainstorm
Batterskull
Sword of Feast and Famine
Jace, the Mind Sculptor

Lands (24)
Tundra
Flooded Strand
Scalding Tarn
Island
Plains
Mutavault
Wasteland
Riptide Laboratory
Karakas
Sideboard (15)
Engineered Explosives
Crucible of Worlds
Dispel
Spellstutter Sprite
Wrath of God
Elspeth, Knight-Errant
Sword of Fire and ice
Path to Exile
Relic of Progenitus
Surgical Extraction