Everfree Forest

All {b} and {g} cards cost {b/g} less while this card
is on the battlefield. On the turn this card is destroyed, they cost {b/g} more, but after that
turn, this effect ends.

"The Everfree just ain't natural! The plants
grow...animals care for themselves...and the
clouds move..all on their own!" -Applejack, Rainbow Dash, and Fluttershy