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 - $4.30
Near Mint Non-English - $4.30
Lightly Played - $3.80
Lightly Played Non-English - $3.80
Played - $3.00
Played Non-English - $3.00
Heavily Played - $2.60
Heavily Played Non-English - $2.60
Damaged - $2.20
Damaged Non-English - $2.20
Foil Prices
Near Mint Foil - $10.00
Near Mint Foil Non-English - $10.00
Lightly Played Foil - $9.00
Lightly Played Foil Non-English - $9.00
Played Foil - $7.00
Played Foil Non-English - $7.00
Heavily Played Foil - $6.00
Heavily Played Foil Non-English - $6.00
Damaged Foil - $5.00
Damaged Foil Non-English - $5.00