Plane of Forgotten Boggs

{t}{3}: Black and Green creatures you control
have Haste and Hexproof.
{t}: Add both Black and Green mana
to your mana pool.
When a Black or Green creature you control
dies return it to your hand, they do not go
into your graveyard as long as this card is in play. Creatures returned this way have a base
mana cost of {3}.