Seadragon Migration

{1}{u}, Discard Seadragon Migration: Search your library for a basic land card, reveal it, put it into
your hand, then shuffle.
Wanderer — Whenever an Island enters the battlefield under your control, create a 3/3 blue
Dragon creature token.
Seadragon pods are able to follow the seasonal fish migrations perfectly. Many other creatures rely on the dragons' excellent detection skills to find the schools.