Altar of Dementia + Sin, Unending Cataclysm + Verdant Succession

GU identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Sin, Unending Cataclysm
• Verdant Succession

How to execute it

1. Activate Altar of Dementia by sacrificing Sin.
2. When Sin dies, it and Verdant Succession trigger.
3. Resolve the Sin trigger, moving any counters from it onto another creature you control, and then shuffling Sin into your library.
4. Resolve the Verdant Succession trigger, searching your library for Sin and putting it onto the battlefield.
5. Resolve the Altar of Dementia ability.
6. Repeat.

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill