Thrin Unknowable Traveler

: When Thrin Unknowable Traveler enters the battlefield all players sacrifice one of each basic land type they control.
: Domain - Thrin Unknowable Traveler's Loyalty is equal to the number of basic land types you control.
-5: Exile all non-basic lands until Thrin Unknowable Traveler leaves the battlefield. You gain control of all lands.