Unadapted Castaway

When Unadapted Castaway enters the battlefield,
you may search your library and/or graveyard for
a basic land card, reveal it, then put it into
your hand. If you search your library this way,
shuffle it.
{3}{g}{u}, Sacrifice a Forest: Adapt 6.
As long as this creature has at least one +1/+1
counter on it, it is named Adapted Castaway and
has islandwalk.