Agatha's Soul Cauldron + Scion of the Swarm Combos

4 known combos featuring both cards in Commander

Infinite lifegain Infinite lifegain triggers Infinite damage

Combo 1 with Spike Feeder

Also requires: Spike Feeder Spike Feeder
Results: Infinite lifegain · Infinite lifegain triggers
Steps
  1. Activate Scion of the Swarm using Spike Feeder's second ability by removing a +1/+1 counter from it, causing you to gain 2 life.
  2. Scion of the Swarm triggers, putting a +1/+1 counter on it.
  3. Repeat.

Combo 2 with Triskelion

Also requires: Triskelion Triskelion
Results: Infinite damage · Infinite lifegain · Infinite lifegain triggers
Show steps
  1. Activate Scion of the Swarm by using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life due to its lifelink.
  2. Scion of the Swarm triggers, putting a +1/+1 counter on it.
  3. Repeat.

Combo 3 with Walking Ballista

Also requires: Walking Ballista Walking Ballista
Results: Infinite damage · Infinite lifegain triggers · Infinite lifegain
Show steps
  1. Activate Scion of the Swarm by using Walking Ballista's ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life due to its lifelink.
  2. Scion of the Swarm triggers, putting a +1/+1 counter on it.
  3. Repeat.

Combo 4 with Deathbringer Thoctar

Also requires: Deathbringer Thoctar Deathbringer Thoctar
Results: Infinite damage · Infinite lifegain triggers · Infinite lifegain
Show steps
  1. Activate Scion of the Swarm by using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life due to its lifelink.
  2. Scion of the Swarm triggers, putting a +1/+1 counter on it.
  3. Repeat.
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