Patron of the Nezumi 
Legendary Creature — Spirit
$0.49 #18016 0.40 21.6 years
Rat offering (You may cast this spell 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.
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