Lands you control can tap to produce ({3} magic symbol) ({B} magic symbol) ({G} magic symbol) .
Steps
Activate High Market by tapping it and sacrificing Palinchron, gaining you 1 life.
Activate Atzal's second ability by paying ({3} magic symbol) ({B} magic symbol) ({G} magic symbol) and tapping it, returning Palinchron to the battlefield.
Palinchron enters the battlefield, untapping Atzal, High Market, and five other lands that can produce ({3} magic symbol) ({B} magic symbol) ({G} magic symbol) .