Patron of the Nezumi [Betrayers of Kamigawa]

Description

Set:	Betrayers of Kamigawa
Type:	Legendary Creature — Spirit
Rarity:	Rare
Cost:	{5}{B}{B}

Rat offering (You may cast this card any time you could cast an instant by sacrificing a Rat and paying the difference in mana costs between this and the sacrificed Rat. Mana cost includes color.)
Whenever a permanent is put into an opponent's graveyard, that player loses 1 life.