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 - $20.40
LP - $16.30
MP - $12.20
HP - $8.20
DMG - $4.10