Homer, the Hermit

Legendary Creature — Crab Druid

Landfall — Whenever a land you control enters, any number of target players each mill X cards, where X is twice the number of Crabs, Lobsters, Nautiluses, Starfish, and/or Trilobites you control.

He requires no destination, just a direction—a welcome respite for the weary traveler upon the sea floor.