Shamble Grove

({t}: Add {g} to your mana pool.)
Delirium - {b}{g}: Shamble Grove becomes a 3/4 green and black Elemental creature with reach
and deathtouch until end of turn. It's still a land. Activate this ability only if there are four or more card types among cards in your graveyard.
The forests of Innistrad re-arrange themselves as they see fit, causing great chagrin among both the frightened populace and distraught wildlife.