Color Identity: B

Initial Card State
- All permanents on the battlefield.
Notable Prerequisites
- You control at least seven basic Swamps.
Mana Needed
- ({3} magic symbol)
available.
Steps
- Activate Cabal Stronghold by paying ({3} magic symbol)
and tapping it, adding at least seven ({B} magic symbol)
. - Activate Deserted Temple's second ability by paying ({1} magic symbol)
and tapping it, targeting Cabal Stronghold. - Rings of Brighthearth triggers, causing you to pay ({2} magic symbol)
to copy Deserted Temple's ability, targeting Deserted Temple. - Resolve both Deserted Temple abilities, untapping Deserted Temple and Cabal Stronghold.
- Repeat.
Notes
- With excess mana, you can instead untap another land instead of Cabal Stronghold.
Results
- Infinite untap of lands you control.
- Infinite black mana.
- Infinite mana lands you control can produce.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).