Patron of the Kitsune 19 (Betrayers of Kamigawa)

Fox offering (You may cast this spell any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this and the sacrificed Fox. Mana cost includes color.) Whenever a creature attacks, you may gain 1 life.

NM - $2.90
LP - $2.30
MP - $1.70
HP - $1.50
DMG - $1.50