Harjfel, Wanderlust

If Harjfel, Wanderlust is in your opening hand,
you may begin the game with it on the battlefield.
When Harjfel, Wanderlust exchanges control,
you search your library for a land cards, put
one in your hand and the other onto the
battlefield tapped.
Whenever Harjfel, Wanderlust blocks, target attacking player gains control of Harjfel.