Forerunner of the Heralds

Forerunner of the Heralds

Creature - Merfolk Scout | Power/Toughness: 3 / 2 (CMC 4)
When Forerunner of the Heralds enters the battlefield, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
Whenever another Merfolk enters the battlefield under your control, put a +1/+1 counter on Forerunner of the Heralds.