Your search for "Merrow Harbinger 73/301" revealed the following:
Merrow Harbinger - LRW Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Steve Prescott Card Text:IslandwalkWhen Merrow Harbinger comes into play, you may search your library for a Merfolk card, reveal it, then...