Altar of Dementia + Mikaeus, the Unhallowed + Morselhoarder

BRG identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Mikaeus, the Unhallowed
• Morselhoarder

How to execute it

1. Activate Altar of Dementia by sacrificing Morselhoarder.
2. When Morselhoarder dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
3. Resolve the Altar of Dementia ability
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill