Islandwalk (This creature can't be blocked as long as defending player controls an Island.) When Merrow Harbinger enters the battlefield, you may search your library for a Merfolk card, reveal it, then shuffle your library and put that card on top of it.
![Merrow Harbinger [Lorwyn] MTG Single Magic: The Gathering | Multizone: Comics And Games](http://multizone.ca/cdn/shop/products/b47af11c-1090-4f0a-8eea-64a3b639e535.jpg?v=1705552287)
