Altar of Dementia + Lingering Tormentor + Stalwart Successor

BG identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Lingering Tormentor
• Stalwart Successor

How to execute it

1. Activate Altar of Dementia by sacrificing Lingering Tormentor
2. When Lingering Tormentor dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Lingering Tormentor enters, Stalwart Successor triggers, putting a +1/+1 counter on Lingering Tormentor
4. Resolve the Altar of Dementia ability.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill