You control a land that can tap to produce at least ({G} magic symbol) .
Fertilid has at least one +1/+1 counter on it.
Stone-Seeder Hierophant does not have summoning sickness.
Archelos is untapped.
({1} magic symbol) available.
Steps
Activate a mana-producing land by tapping it, adding at least ({G} magic symbol) .
Activate Stone-Seeder Hierophant by tapping it, untapping the land.
Activate Fertilid by paying ({1} magic symbol) ({G} magic symbol) and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield untapped due to Archelos.
When the basic land enters the battlefield, Retreat to Kazandu triggers, putting a +1/+1 counter on Fertilid.
Activate the basic land by tapping it, adding ({1} magic symbol) .
Repeat.
Results
Put all basic lands from your library onto the battlefield.