How can you create a combo with Goblin Sharpshooter, Twinflame, Elemental Mastery?
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[START OF COMBO]This combo can be formed with Goblin Sharpshooter, Twinflame, Elemental Mastery

Color identity: R
Mana cost: {1}{R}
Steps:
  1. Cast Twinflame by paying {1}{R}, creating a token copy of Goblin Sharpshooter with haste.
  2. Activate the nontoken Goblin Sharpshooter by tapping it, creating a 1/1 Elemental creature token with haste.
  3. Activate the token Goblin Sharpshooter by tapping it, dealing 1 damage to the Elemental token.
  4. The Elemental dies as a state-based action due to having zero or less toughness.
  5. Both Goblin Sharpshooters trigger, untapping themselves.
  6. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - Goblin Sharpshooter must be on the battlefield
  - Twinflame must be in your hand
  - Elemental Mastery must be on the battlefield
  - Elemental Mastery attached to Goblin Sharpshooter.
  - Goblin Sharpshooter does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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