How can you create a combo with Grenzo, Dungeon Warden, Workhorse, The Cauldron of Eternity?
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[START OF COMBO]This combo can be formed with Grenzo, Dungeon Warden, Workhorse, The Cauldron of Eternity

Color identity: BR
Mana cost: {1} if Workhorse has exactly one +1/+1 counter on it
Steps:
  1. Activate Workhorse by removing a +1/+1 counter from it, adding {C}.
  2. Repeat step 1 until Workhorse dies as a state-based action due to having 0 toughness.
  3. The Cauldron of Eternity triggers, putting Workhorse from your graveyard onto the bottom of your library.
  4. Activate Grenzo by paying {2}, putting Workhorse from the bottom of your library into your graveyard, and then putting it onto the battlefield with four +1/+1 counters on it due to its static effect.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite death triggers
  - Infinite colorless mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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