There is another nonbasic land on the battlefield.
Mana Needed
({11} magic symbol) ({U} magic symbol) ({U} magic symbol) each other turn available.
Steps
Cast
Time Stretch by paying its mana cost, causing you to take an extra turn after this one.
Activate
Dust Bowl by paying ({3} magic symbol) , tapping it and sacrificing
Mystic Sanctuary, destroying a nonbasic land.
Play
Mystic Sanctuary from your graveyard.
When
Mystic Sanctuary enters untapped, it triggers, putting
Time Stretch from your graveyard onto the top of your library.
Move to your next turn, drawing
Time Stretch during your draw step.
Repeat during your second extra turn.
Notes
You can activate
Dust Bowl and cast
Time Stretch on alternating turns to spread the mana cost slightly, down to ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) and ({3} magic symbol) alternating.
Results
Near-infinite turns.
Skip your draw steps.
Metadata
This combo produces a lock.
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).