Vine Dryad 
Creature — Dryad
You may exile a green card from your hand rather than pay this spell's mana cost. Flash Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL