Cauldron of Souls + Viscera Seer Combos

10 known combos featuring both cards in Commander

Infinite death triggers Infinite ETB Infinite LTB Infinite sacrifice triggers Infinite scry 1

Combo 1 with Mikaeus, the Unhallowed + Dross Scorpion

Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite scry 1
Steps
  1. Activate Cauldron of Souls by tapping it, giving Dross Scorpion persist until end of turn.
  2. Activate Viscera Seer by sacrificing Dross Scorpion.
  3. Dross Scorpion dies, triggering its ability, its undying ability and its persist ability.
  4. Resolve the first Dross Scorpion trigger, untapping Cauldron of Souls.
  5. Resolve the Dross Scorpion persist trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  6. Activate Viscera Seer by sacrificing Dross Scorpion.
  7. Dross Scorpion dies, triggering its ability and its undying ability.
  8. Resolve the first Dross Scorpion trigger, untapping Cauldron of Souls.
  9. Resolve the second Dross Scorpion trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  10. Activate Viscera Seer by sacrificing Dross Scorpion.
  11. Dross Scorpion dies, triggering its ability and its persist ability.
  12. Repeat from step 4.
  13. Resolve all Viscera Seer abilities, causing you to scry 1 infinite times.

Combo 2 with Dross Scorpion + Mycosynth Lattice

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving the creature with bloodthirst persist until end of turn.
  2. Activate Viscera Seer by sacrificing the creature with bloodthirst.
  3. When the creature dies, its persist ability and Dross Scorpion trigger.
  4. Resolve the persist trigger, returning the creature from your graveyard to the battlefield, which enters the battlefield with at least one +1/+1 counter on it due to its bloodthirst ability.
  5. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  6. Resolve the Viscera Seer ability, causing you to scry 1.
  7. Repeat.

Combo 3 with Dross Scorpion + Encroaching Mycosynth

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving the creature with bloodthirst persist until end of turn.
  2. Activate Viscera Seer by sacrificing the creature with bloodthirst.
  3. When the creature dies, its persist ability and Dross Scorpion trigger.
  4. Resolve the persist trigger, returning the creature from your graveyard to the battlefield, which enters the battlefield with at least one +1/+1 counter on it due to its bloodthirst ability.
  5. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  6. Resolve the Viscera Seer ability, causing you to scry 1.
  7. Repeat.

Combo 4 with Dross Scorpion + Biotransference

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving the creature with bloodthirst persist until end of turn.
  2. Activate Viscera Seer by sacrificing the creature with bloodthirst.
  3. When the creature dies, its persist ability and Dross Scorpion trigger.
  4. Resolve the persist trigger, returning the creature from your graveyard to the battlefield, which enters the battlefield with at least one +1/+1 counter on it due to its bloodthirst ability.
  5. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  6. Resolve the Viscera Seer ability, causing you to scry 1.
  7. Repeat.

Combo 5 with Mikaeus, the Unhallowed + Intruder Alarm + Animate Artifact

Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite scry 1 · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  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.

Combo 6 with Szarel, Genesis Shepherd + Clock of Omens

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving two nontoken artifact creatures persist until end of turn.
  2. Activate Clock of Omens by tapping the nontoken artifact creatures, untapping Cauldron of Souls.
  3. Activate Viscera Seer by sacrificing one of the nontoken artifact creatures that doesn't have a -1/-1 counter on it.
  4. When the creature dies, its persist ability and Szarel triggers.
  5. Resolve the persist trigger, returning the creature from your graveyard to the battlefield.
  6. Resolve the Szarel trigger, putting a number of +1/+1 counters on the other artifact creature.
  7. Resolve the Viscera Seer ability.
  8. Repeat from step 3 once, instead sacrificing the creature who had counters placed on it in step 6.
  9. Repeat from step 1.

Combo 7 with Dross Scorpion + Arsenal Thresher

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Arsenal Thresher persist until end of turn.
  2. Activate Viscera Seer by sacrificing Arsenal Thresher.
  3. When Arsenal Thresher dies, its persist ability and Dross Scorpion trigger.
  4. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  5. Resolve the Arsenal Thresher trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it, and then choosing to reveal at least one artifact card from your hand to remove the -1/-1 counter.
  6. Resolve the Viscera Seer ability, causing you to scry 1.
  7. Repeat.

Combo 8 with Gerrard, Weatherlight Hero + Extruder

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Gerrard persist until end of turn.
  2. Activate Extruder by sacrificing Cauldron of Souls, putting a +1/+1 counter on Gerrard.
  3. Activate Viscera Seer by sacrificing Gerrard.
  4. When Gerrard dies, it and its persist ability trigger.
  5. Resolve the Gerrard persist trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  6. Resolve the second Gerrard trigger, failing to exile it as it has left your graveyard, and returning Cauldron of Souls from your graveyard to the battlefield.
  7. Resolve the Viscera Seer ability from step 3, causing you to scry 1.
  8. Repeat.

Combo 9 with Corridor Monitor + Cathars' Crusade

Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite scry 1 · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Corridor Monitor persist until end of turn.
  2. Activate Viscera Seer by sacrificing Corridor Monitor.
  3. When Corridor Monitor dies, its persist ability triggers, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  4. When Corridor Monitor enters the battlefield, it and Cathars' Crusade trigger.
  5. Resolve the Corridor Monitor trigger, untapping Cauldron of Souls.
  6. Resolve the Cathars' Crusade trigger, putting a +1/+1 counter on each creature you control.
  7. Resolve the Viscera Seer ability from step 2, causing you to scry 1.
  8. Repeat.

Combo 10 with Derevi, Empyrial Tactician + Aerith Gainsborough

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite scry 1 · Infinite +1/+1 counters on legendary creatures you control
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Derevi and Aerith persist until end of turn.
  2. Activate Viscera Seer by sacrificing Derevi.
  3. When Derevi dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  4. When Derevi enters the battlefield, it triggers, untapping Cauldron of Souls.
  5. Activate Viscera Seer by sacrificing Aerith.
  6. When Aerith dies, it triggers twice.
  7. Resolve Aerith's persist trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  8. Resolve the second Aerith trigger, putting a +1/+1 counter on each legendary creature you control, thus removing the -1/-1 counters from Aerith and Derevi.
  9. Resolve the Viscera Seer abilities from steps 2 and 5.
  10. Repeat.
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