How can you create a combo with Scholar of the Lost Trove, Helvault, Krark-Clan Ironworks?
user
[START OF COMBO]This combo can be formed with Scholar of the Lost Trove, Helvault, Krark-Clan Ironworks

Color identity: U
Mana cost: {1}
Steps:
  1. Activate Helvault by paying {1} and tapping it, exiling Scholar of the Lost Trove.
  2. Activate Krark-Clan Ironworks by sacrificing Helvault, adding {C}{C}.
  3. Helvault leaves the battlefield, returning Scholar of the Lost Trove from exile to the battlefield.
  4. Scholar of the Lost Trove enters the battlefield, casting Helvault from your graveyard without paying its mana cost.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant