How can you create a combo with Ob Nixilis, Captive Kingpin, Agatha's Soul Cauldron, Triskelion?
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[START OF COMBO]This combo can be formed with Ob Nixilis, Captive Kingpin, Agatha's Soul Cauldron, Triskelion

Color identity: BR
Mana cost: 
Steps:
  1. Activate Ob Nixilis using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to an opponent.
  2. Ob Nixilis triggers, putting a +1/+1 counter on itself and exiling the top card of your library.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Exile your library
  - Infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ob Nixilis, Captive Kingpin must be on the battlefield
  - Agatha's Soul Cauldron must be on the battlefield
  - Triskelion must be exiled
  - Ob Nixilis has at least one +1/+1 counter on it.
[END OF COMBO PREREQUISITES]
assistant