Lazotep Wastes

{t}: Add {c}.
When Lazotep Wastes leaves the battlefield, Befoul 1 (Put a Grave counter on up to 1 target land you control. It gains '{t}, remove a Grave counter from this land: Create a 2/2 black Zombie creature token.')
As long as Lazotep Wastes is in your graveyard, lands you control with Grave counters have '{t}: Add one mana of any colour.'