Derevi, Empyrial Tactician, Emiel the Blessed, and Cabal Stronghold

Prerequisites

• Derevi, Empyrial Tactician on the battlefield
• Emiel the Blessed on the battlefield
• Cabal Stronghold on the battlefield
• You control at least six basic Swamps
• available

Steps

1. Activate Cabal Stronghold by paying and tapping it, adding at least six
2. Activate Emiel by paying , blinking Derevi
3. When Derevi enters the battlefield, it triggers, untapping Cabal Stronghold
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite blinking
• Infinite black mana
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control