How can you create a combo with Nim Deathmantle, Dockside Extortionist, Goblin Bombardment?
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[START OF COMBO]This combo can be formed with Nim Deathmantle, Dockside Extortionist, Goblin Bombardment

Color identity: R
Mana cost: {4}
Steps:
  1. Activate Goblin Bombardment by sacrificing Dockside Extortionist.
  2. When Dockside Extortionist dies, Nim Deathmantle triggers, causing you to pay {4} to return Dockside Extortionist from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  3. When Dockside Extortionist enters the battlefield, it triggers, creating at least four Treasure artifact tokens.
  4. Resolve the Goblin Bombardment ability from step 1, dealing 1 damage to any target.
  5. Activate four Treasures by tapping and sacrificing them, adding {4}.
  6. Repeat.
  7. If opponents control five or more artifacts and/or enchantments, this combo nets infinite Treasure tokens.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite damage
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Opponents control at least four artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
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