How can you create a combo with Goblin Welder, Thornbite Staff, Wurmcoil Engine?
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[START OF COMBO]This combo can be formed with Goblin Welder, Thornbite Staff, Wurmcoil Engine

Color identity: R
Mana cost: 
Steps:
  1. Tap Goblin Welder, targeting the artifact creature on the battlefield and Wurmcoil Engine in your graveyard.
  2. The artifact creature is sacrificed and Wurmcoil Engine enters the battlefield.
  3. Goblin Welder triggers, untapping itself.
  4. Activate Goblin Welder again, targeting the artifact creature in your graveyard and Wurmcoil Engine on the battlefield.
  5. The artifact creature returns to the battlefield and Wurmcoil Engine is sacrificed.
  6. Goblin Welder triggers, untapping itself.
  7. Wurmcoil Engine triggers, creating 2 Wurm creature tokens.
  8. Repeat for infinite creature tokens.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Goblin Welder must be on the battlefield
  - Thornbite Staff must be on the battlefield
  - Wurmcoil Engine must be in the graveyard
  - Thornbite Staff attached to Goblin Welder.
  - You control a nontoken artifact creature.
  - Goblin Welder does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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