Forerunner of the Heralds
{3}{G}
Creature -- Merfolk Scout
3/2
When ~this~ enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
Whenever another Merfolk you control enters, put a +1/+1 counter on ~this~.
Merrow Harbinger
{3}{U}
Creature -- Merfolk Wizard
2/3
Islandwalk (~this~ can't be blocked as long as defending player controls an Island.)
When ~this~ enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.