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.
Near Mint - $6.10
Near Mint Non-English - $6.10
Lightly Played - $5.50
Lightly Played Non-English - $5.50
Played - $4.30
Played Non-English - $4.30
Heavily Played - $3.70
Heavily Played Non-English - $3.70
Damaged - $3.10
Damaged Non-English - $3.10
Foil Prices
Near Mint Foil - $9.70
Near Mint Foil Non-English - $9.70
Lightly Played Foil - $8.70
Lightly Played Foil Non-English - $8.70
Played Foil - $6.80
Played Foil Non-English - $6.80
Heavily Played Foil - $5.80
Heavily Played Foil Non-English - $5.80
Damaged Foil - $4.90
Damaged Foil Non-English - $4.90