Agatha's Soul Cauldron + Celestial Unicorn Combos

4 known combos featuring both cards in Commander

Infinite lifegain triggers Infinite lifegain Infinite damage

Combo 1 with Walking Ballista

Also requires: Walking Ballista Walking Ballista
Results: Infinite damage · Infinite lifegain triggers · Infinite lifegain
Steps
  1. Activate Celestial Unicorn 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. Celestial Unicorn triggers, putting a +1/+1 counter on it.
  3. Repeat.

Combo 2 with Spike Feeder

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

Combo 3 with Triskelion

Also requires: Triskelion Triskelion
Results: Infinite damage · Infinite lifegain triggers · Infinite lifegain
Show steps
  1. Activate Celestial Unicorn 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. Celestial Unicorn 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 Celestial Unicorn 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. Celestial Unicorn triggers, putting a +1/+1 counter on it.
  3. Repeat.
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