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 - $4.90
Near Mint Non-English - $4.90
Lightly Played - $4.40
Lightly Played Non-English - $4.40
Played - $3.40
Played Non-English - $3.40
Heavily Played - $3.00
Heavily Played Non-English - $3.00
Damaged - $2.50
Damaged Non-English - $2.50
Foil Prices
Near Mint Foil - $10.30
Near Mint Foil Non-English - $10.30
Lightly Played Foil - $9.30
Lightly Played Foil Non-English - $9.30
Played Foil - $7.20
Played Foil Non-English - $7.20
Heavily Played Foil - $6.20
Heavily Played Foil Non-English - $6.20
Damaged Foil - $5.20
Damaged Foil Non-English - $5.20