How can you create a combo with Cauldron of Souls, Corridor Monitor, Verdurous Gearhulk, Goblin Bombardment?
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[START OF COMBO]This combo can be formed with Cauldron of Souls, Corridor Monitor, Verdurous Gearhulk, Goblin Bombardment

Color identity: GUR
Mana cost: 
Steps:
  1. Activate Cauldron of Souls by tapping it, giving Verdurous Gearhulk and Corridor Monitor persist until end of turn.
  2. Activate Goblin Bombardment 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 triggers, untapping Cauldron of Souls.
  5. Activate Goblin Bombardment by sacrificing Verdurous Gearhulk.
  6. When Verdurous Gearhulk dies, its persist ability triggers, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  7. When Verdurous Gearhulk enters the battlefield, it triggers, putting a +1/+1 counter on itself and Corridor Monitor, and two +1/+1 counters on any other creature(s) you control.
  8. Resolve both Goblin Bombardment abilities, dealing 2 damage to any target.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on all other creatures you control
  - Infinite damage
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Corridor Monitor and Verduous Gearhulk do not have a -1/-1 counter on them.
[END OF COMBO PREREQUISITES]
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