Altar of Dementia + Deathbringer Thoctar + Mikaeus, the Unhallowed

BR identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Deathbringer Thoctar
• Mikaeus, the Unhallowed

How to execute it

1. Activate Deathbringer Thoctar by removing a +1/+1 counter from it, dealing 1 damage to any target.
2. Repeat step 1 until Deathbringer Thoctar has no +1/+1 counters on it.
3. Activate Altar of Dementia by sacrificing Deathbringer Thoctar.
4. Deathbringer Thoctar dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Deathbringer Thoctar's power.
6. Repeat.

What the combo produces

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