Mikaeus, the Unhallowed + Woodfall Primus + Altar of Dementia

Prerequisites

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Steps

1. 1Activate Altar of Dementia by sacrificing Woodfall Primus.
2. 2When Woodfall Primus dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3When Woodfall Primus enters, it triggers, destroying a noncreature permanent.
4. 4Resolve the Altar of Dementia ability.
5. 5Activate Altar of Dementia by sacrificing Woodfall Primus.
6. 6When Woodfall Primus dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. 7When Woodfall Primus enters, it triggers, destroying a noncreature permanent.
8. 8Resolve the Altar of Dementia ability.
9. 9Repeat.

Effects

• Destroy any number of noncreature permanents
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Lock