Merrow Commerce - 72 U LRW

At the beginning of your end step, untap all Merfolk you control.
Schools meet and mingle on Lorwyn's riverways. In the bustling interplay, the merrow renew their sense of community as they sharpen their wits and hone their trading skills.
uncommon
Kindred Enchantment — Merfolk
From the Magic: The Gathering set Lorwyn.