Activate Perilous Forays by paying ({1} magic symbol) and sacrificing another creature, searching your library for a land with a basic land type and put it onto the battlefield.
When the land enters the battlefield, Tireless Provisioner and Emeria Angel trigger.
Resolve the Tireless Provisioner trigger, creating a Treasure artifact token.
Resolve the Emeria Angel trigger, creating a 1/1 Bird creature token.
Activate the Treasure by tapping and sacrificing it, adding ({1} magic symbol) .
Repeat.
Results
Put all lands with a basic land type from your library onto the battlefield tapped.