BUG Delver
A Legacy deck, by Florian Marx
4th place at a tournament in Hanau, Germany on 2012-12-30

Maindeck:

Creatures
4 Dark Confidant
4 Deathrite Shaman (Banned in Legacy)
4 Delver of Secrets
4 Tarmogoyf

Instants
4 Abrupt Decay
4 Brainstorm
3 Daze
1 Dismember
3 Spell Pierce

Legendary Artifacts
1 Umezawa's Jitte

Legendary Planeswalkers
1 Liliana of the Veil

Sorceries
4 Ponder
4 Thoughtseize

Lands
1 Bayou
4 Misty Rainforest
4 Polluted Delta
2 Tropical Island
4 Underground Sea
4 Wasteland

Sideboard:
2 Engineered Explosives
2 Grafdigger's Cage
1 Nihil Spellbomb
2 Pithing Needle
1 Darkblast
2 Divert
2 Flusterstorm
2 Golgari Charm
1 Life from the Loam