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

Color identity: R
Mana cost: 
Steps:
  1. Tap Goblin Welder, targeting the artifact creature on the battlefield and Myr Battlesphere in your graveyard.
  2. The artifact creature is sacrificed and Myr Battlesphere enters the battlefield.
  3. Goblin Welder triggers, untapping itself.
  4. Myr Battlesphere triggers.
  5. creating 4 Myr creature tokens.
  6. Activate Goblin Welder again, targeting the artifact creature in your graveyard and Myr Battlesphere on the battlefield.
  7. The artifact creature returns to the battlefield and Myr Battlesphere is sacrificed.
  8. Goblin Welder triggers, untapping itself.
  9. 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
  - Myr Battlesphere 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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