Black Hand
A Kamigawa Block deck, by Darrin Eide
2nd place at a Pro Tour: Los Angeles tournament in Seattle, Washington, United States on 2005-08-07
As reported at http://www.wizards.com/default.asp?x=mtgevent/la05ptq/0806seattle

Maindeck:

Artifacts
4 O-Naginata

Creatures
3 Hand of Cruelty
4 Ogre Marauder
4 Raving Oni-Slave
4 Takenuma Bleeder

Instants
1 Hero's Demise
2 Hideous Laughter
3 Sickening Shoal

Legendary Artifacts
3 Umezawa's Jitte

Legendary Creatures
1 Ink-Eyes, Servant of Oni
4 Yukora, the Prisoner

Sorceries
4 Distress
1 Kiku's Shadow

Basic Lands
20 Swamp

Legendary Lands
1 Shizo, Death's Storehouse
1 Tomb of Urami

Sideboard:
4 Nezumi Graverobber
2 Hero's Demise
2 Hideous Laughter
3 Cranial Extraction
4 Psychic Spear