Altar of Dementia + Hardened Academic + Persistent Constrictor

RWB identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Hardened Academic
• Persistent Constrictor

How to execute it

1. Activate Altar of Dementia by sacrificing Persistent Constrictor.
2. When Persistent Constrictor dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic triggers, putting a +1/+1 counter on Persistent Constrictor.
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