Gravespawn Sovereign + Intruder Alarm + Viscera Seer

UB identity

Commander legal

The 3 combo pieces

• Gravespawn Sovereign
• Intruder Alarm
• Viscera Seer

What must be in place

You control at least four other Zombies.

How to execute it

1. Activate Viscera Seer by sacrificing itself, causing you to scry 1.
2. Activate Gravespawn Sovereign by tapping five untapped Zombies you control, returning Viscera Seer from your graveyard to the battlefield.
3. Viscera Seer enters the battlefield, triggering Intruder Alarm, untapping all creatures.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite scry 1
• Infinite untap of creatures