Wood Elemental 
Creature — Elemental
As this creature enters, sacrifice any number of untapped Forests. Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL