Captain of the Endless March

When Captain of the Endless March enters the battlefield, Befoul 1 (Put a Grave counter on up to one target land you control. It gains '{t}, remove a Grave counter from this land: Create a 2/2 black Zombie creature token.' )
Zombies you control have menace as long as you control a land with a Grave counter on it.
"The ground is restless, it cannot hold its dead."
- Laertes, Cunning Lich.