Activate Mystic Sanctuary and two Plains by tapping them, adding at least ({1} magic symbol) ({W} magic symbol) ({W} magic symbol) .
Activate Zuran Orb three times by sacrificing Mystic Sanctuary and two Plains, causing you to gain 6 life.
Cast Second Sunrise by paying ({1} magic symbol) ({W} magic symbol) ({W} magic symbol) , returning all land cards put into your graveyard this turn to the battlefield untapped due to Archelos.
When each land enters the battlefield, Tatyova triggers that many times, and Mystic Sanctuary triggers once.
Resolve the Mystic Sanctuary trigger, putting Second Sunrise on top of your library from your graveyard.
Resolve the Tatyova triggers, causing you to draw that many cards and gain that much life.
Repeat.
If you control additional lands, you may sacrifice them as well to get additional mana and triggers.