@deck above me: too much equipment for only 14 creatures.

This is my Black Suicide List

http://www.deckcheck.net/stats.php?id=55915&saved=true

creature [15]
4 Dark Confidant
4 Hypnotic Specter
4 Nantuko Shade
3 Tombstalker

instant [8]
4 Dark Ritual
4 Smother

sorcery [14]
3 Duress
4 Hymn to Tourach
4 Sinkhole
3 Thoughtseize

artifact [2]
2 Umezawa's Jitte

land [21]
17 Swamp
4 Wasteland

sideboard [15]
4 Engineered Plague
4 Diabolic Edict
4 Tormod's Crypt
3 Powder Keg

Any suggestions to improve the deck?