Altar of Dementia + Glen Elendra Archmage + Hardened Academic

URW identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Glen Elendra Archmage
• Hardened Academic

How to execute it

1. Activate Altar of Dementia by sacrificing Glen Elendra Archmage.
2. When Glen Elendra Archmage 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 Glen Elendra Archmage.
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