Lands you control that enter the battlefield untapped can produce at least ({7} magic symbol) ({W} magic symbol) ({W} magic symbol) .
Steps
Activate all mana-producing lands you control by tapping them, adding at least ({7} magic symbol) ({W} magic symbol) ({W} magic symbol) .
Activate
Zuran Orb by sacrificing a land, causing you to gain two life.
Repeat step 2 for each other land you control.
Activate
Codex Shredder by paying ({5} magic symbol) , tapping and sacrificing it, returning
Second Sunrise from your graveyard to your hand.
Cast
Second Sunrise by paying ({1} magic symbol) ({W} magic symbol) ({W} magic symbol) , returning all artifacts, lands, creatures and enchantments that were put into a graveyard this turn onto the battlefield under their owner's control.
Sunscorched Desert enters the battlefield, dealing 1 damage to target player.
Repeat.
Notes
This combo also works with one less mana available from lands, producing every results except the infinite mana.
Results
Infinite damage.
Infinite landfall triggers.
Infinite lifegain.
Infinite lifegain triggers.
Infinite magecraft triggers.
Infinite mana lands you control can produce.
Infinite storm count.
Metadata
In 66 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).