Altar of Dementia + Intruder Alarm + Mortuary + The Master, Transcendent

BGU identity

Commander legal

The 4 combo pieces

• Altar of Dementia
• Intruder Alarm
• Mortuary
• The Master, Transcendent

What must be in place

The Master does not have summoning sickness.
You control another nontoken creature with power 1 or greater.

How to execute it

1. Activate Altar of Dementia by sacrificing another nontoken creature with power 1 or greater.
2. When the creature dies, Mortuary triggers, putting the creature from your graveyard on top of your library.
3. Resolve the Altar of Dementia ability, causing you to mill the creature from your library.
4. Activate The Master by tapping it, putting the creature from your graveyard onto the battlefield.
5. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
6. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite untap of creatures