Color Identity: W, B


Initial Card State
- All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight and Geralf's Messenger without a +1/+1 counter on it ).
Steps
- Activate Altar of Dementia by sacrificing Geralf's Messenger.
- When Geralf's Messenger dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
- When Geralf's Messenger enters, it triggers, causing an opponent to lose 2 life.
- Activate Altar of Dementia by sacrificing Geralf's Messenger.
- When Geralf's Messenger dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
- When Geralf's Messenger enters, it triggers, causing an opponent to lose 2 life.
- Resolve both Altar of Dementia abilities from step 1 and 4.
- Repeat.
Notes
- If Geralf's Messenger starts with a +1/+1 counter on it, then you may start the combo from step 4 instead.
Results
- Infinite ETB.
- Infinite LTB.
- Infinite death triggers.
- Infinite lifeloss.
- Infinite mill.
- Infinite sacrifice triggers.
- Infinite self-mill.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).