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 - $4.40
Near Mint Non-English - $4.40
Lightly Played - $4.00
Lightly Played Non-English - $4.00
Played - $3.10
Played Non-English - $3.10
Heavily Played - $2.70
Heavily Played Non-English - $2.70
Damaged - $2.20
Damaged Non-English - $2.20
Foil Prices
Near Mint Foil - $10.60
Near Mint Foil Non-English - $10.60
Lightly Played Foil - $9.50
Lightly Played Foil Non-English - $9.50
Played Foil - $7.40
Played Foil Non-English - $7.40
Heavily Played Foil - $6.30
Heavily Played Foil Non-English - $6.30
Damaged Foil - $5.30
Damaged Foil Non-English - $5.30