How can you create a combo with Koll, the Forgemaster, Phyrexian Altar, Thornbite Staff, Goblin Arsonist?
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[START OF COMBO]This combo can be formed with Koll, the Forgemaster, Phyrexian Altar, Thornbite Staff, Goblin Arsonist

Color identity: RW
Mana cost: {R}
Steps:
  1. Cast Goblin Arsonist by paying {R}.
  2. Goblin Arsonist enters the battlefield, triggering Thornbite Staff, attaching it to Goblin Arsonist.
  3. Activate Phyrexian Altar by sacrificing Goblin Arsonist, adding {R}.
  4. Goblin Arsonist dies, triggering itself, Koll, and Thornbite Staff.
  5. Resolve Goblin Arsonist's trigger, dealing 1 damage to any target.
  6. Resolve Koll's trigger, returning Goblin Arsonist from your graveyard to your hand.
  7. Resolve Thornbite Staff's trigger, accomplishing nothing.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite damage
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Koll, the Forgemaster must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Thornbite Staff must be on the battlefield
  - Goblin Arsonist must be in your hand
[END OF COMBO PREREQUISITES]
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