Strider, Ranger of the North

When Strider, Ranger of the North enters the battlefield, search your library for a Forest or
Plains and put it onto the battlefield tapped.
Shuffle your library.
At the beginning of each combat, Strider, Ranger
of the North get +2/+2 for each creature your
opponents control, until end of turn.
{g/w}{g/w}: Strider, Ranger of the North becomes Unblockable until end of turn.