Mikaeus, the Unhallowed + Altar of Dementia + Flitterwing Nuisance
Produces: Infinite ETB, Infinite LTB, Infinite death triggers, Infinite mill, Infinite sacrifice triggers, Infinite self-mill
- Mikaeus, the Unhallowed
- Altar of Dementia
- Flitterwing Nuisance
- Color identity
- UB
Steps
- Activate Altar of Dementia by sacrificing Flitterwing Nuisance.
- When Flitterwing Nuisance dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
- Resolve the Altar of Dementia ability
- Repeat.