Elfhame Greenseeker

Colonize (When this creature deals combat damage to a player, if it doesn't have a +1/+1 counter on it, you may search your library for a basic land and put it onto the battlefield tapped. If you do, put a +1/+1 counter on this creature, then shuffle your library)
"The scouts of Elfhame did more than just report incursions; they explored far past the borders of what they knew, surprised at the vastness of the Realm."