Rings of Brighthearth + Deserted Temple + Cabal Stronghold

Prerequisites

• You control at least seven basic Swamps.

Steps

1. 1Activate Cabal Stronghold by paying and tapping it, adding at least seven .
2. 2Activate Deserted Temple's second ability by paying and tapping it, targeting Cabal Stronghold.
3. 3Rings of Brighthearth triggers, causing you to pay to copy Deserted Temple's ability, targeting Deserted Temple.
4. 4Resolve both Deserted Temple abilities, untapping Deserted Temple and Cabal Stronghold
5. 5Repeat

Effects

• Infinite black mana
• Infinite mana lands you control can produce
• Infinite untap of lands you control