Seedship Agrarian (Edge of Eternities)

Creature Ñ Insect Scientist - Whenever this creature becomes tapped, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
Landfall Ñ Whenever a land you control enters, put a +1/+1 counter on this creature.