Patron of the Orochi 138 (Betrayers of Kamigawa)

Snake offering (You may cast this spell any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.) {T}: Untap all Forests and all green creatures. Activate only once each turn.

NM - $11.00
LP - $8.80
MP - $6.60
HP - $4.40
DMG - $2.20