How can you create a combo with Leyline Immersion, Hullbreaker Horror, Instill Energy?
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[START OF COMBO]This combo can be formed with Leyline Immersion, Hullbreaker Horror, Instill Energy

Color identity: GU
Mana cost: 
Steps:
  1. Activate the legendary creature with Leyline Immersion attached by tapping it, adding {3}{G}{G} that can only be spent to cast spells.
  2. Cast Instill Energy by paying {G}, targeting the legendary creature.
  3. Hullbreaker Horror triggers, returning Leyline Immersion to your hand from the battlefield.
  4. Resolve Instill Energy, attaching it to the legendary creature.
  5. Activate Instill Energy by paying {0}, untapping the legendary creature.
  6. Cast Leyline Immersion by paying {3}{G}, targeting the legendary creature.
  7. Hullbreaker Horror triggers, returning Instill Energy to your hand from the battlefield.
  8. Resolve Leyline Immersion, attaching it to the legendary creature.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Leyline Immersion must be on the battlefield
  - Hullbreaker Horror must be on the battlefield
  - Instill Energy must be in your hand
  - Leyline Immersion attached to any legendary creature you control without summoning sickness.
[END OF COMBO PREREQUISITES]
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