Animate Artifact + Cauldron of Souls + Intruder Alarm + and 2 others

UB identity

Commander legal

The 5 combo pieces

What must be in place

Animate Artifact attached to Cauldron of Souls.
Cauldron of Souls does not have summoning sickness.

How to execute it

  1. Activate Viscera Seer by sacrificing itself.
  2. When Viscera Seer dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. When Viscera Seer enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Resolve the Viscera Seer ability, causing you to scry 1.
  5. Activate Cauldron of Souls by tapping it, giving the creature persist until end of turn.
  6. Activate Viscera Seer by sacrificing itself.
  7. When Viscera Seer dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  8. When Viscera Seer enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  9. Resolve the Viscera Seer ability, causing you to scry 1.
  10. Repeat.

What the combo produces