Rubblebelt Recluse

• WWizards of the Coast2019-07-12
  Official Ruling
  If Rubblebelt Recluse can’t attack for any reason (such as being tapped or having come under that player’s control that turn), then it doesn’t attack. If there’s a cost associated with having it attack, its controller isn’t forced to pay that cost, so it doesn’t have to attack in that case either.

Rulings via Scryfall