Altar of Dementia + Putrid Goblin + Stalwart Successor

BG identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Putrid Goblin
• Stalwart Successor

How to execute it

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