Lands (24):
10 Swamp
10 Island
4 Underground Sea

Creatures (18):
4 Toxin Sliver
4 Crypt Sliver
4 Spectral Sliver
4 Winged Sliver
2 Synapse Sliver

Other Spells (18):
4 Undermine
4 Mind Rot
4 Counterspell
4 Duress
2 Traumatize

The creatures of this deck are based on Slivers using an interweaving of different abilities. The other spells focus on countering and discarding to disable the opponent.

Suggestions and comments please :)