Color Identity: C

Initial Card State
- Sanctum of Eternity on the battlefield.
- Emrakul in hand or in the command zone.
- Emrakul must be your commander.
Notable Prerequisites
- Lands you control excluding Sanctum of Eternity can tap to produce ({12} magic symbol)
or more. - If you're casting Emrakul from the command zone, you must provide enough additional mana to pay for its commander tax if applicable.
Steps
- Activate any number of lands by tapping them, adding at least ({12} magic symbol)
. - Cast Emrakul by paying ({10} magic symbol)
plus commander tax if applicable. - Emrakul triggers, untapping all lands you control.
- Resolve Emrakul. Then, activate Sanctum of Eternity's second ability by paying ({2} magic symbol)
and tapping it, returning Emrakul from the battlefield to your hand. - Repeat.
Results
- Infinite creature ETB.
- Infinite creature LTB.
- Infinite mana lands you control can produce.
- Infinite storm count.
- Infinite untap of lands you control.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).