Color Identity: U

Initial Card State
- Su-Chi Cave Guard in hand.
- All other permanents on the battlefield.
Notable Prerequisites
- Drafna does not have summoning sickness.
Mana Needed
- ({11} magic symbol)
available.
Steps
- Cast Su-Chi Cave Guard by paying ({8} magic symbol)
. - Holding priority, activate Drafna's second ability by paying ({3} magic symbol)
and tapping it, copying the Su-Chi Cave Guard spell. - Resolve the copy of the Su-Chi Cave Guard spell, creating a token copy of Su-Chi Cave Guard.
- The token Su-Chi Cave Guard enters the battlefield, triggering Intruder Alarm, untapping all creatures.
- Activate Altar of Dementia by sacrificing the Su-Chi Cave Guard token.
- The token Su-Chi Cave Guard dies, adding eight ({C} magic symbol)
. - Resolve the Altar of Dementia ability, milling any player eight cards.
- Repeat from step 2.
- Once you have infinite mana, you may repeat steps 2 through 4 any number of times.
Results
- Infinite colorless mana.
- Infinite creature tokens.
- Infinite death triggers.
- Infinite LTB.
- Infinite sacrifice triggers.
- Infinite mill.
- Infinite self-mill.
- Infinite mana creatures you control can produce.
- Infinite untap of creatures you control.
- Infinite ETB.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).