Tunnel Lurker

Menace
Whenever Tunnel Lurker deals combat damage
to a player, you may exile it. As long as it
remains exiled this way, whenever a land enters
the battlefield under your control, you may
return Tunnel Lurker to the battlefield under
its owner's control with a haste counter on it.
The digging woke what should have slept forever.
The headlights drove it mad.