How can you create a combo with Urza, Lord Protector, Scrap Trawler, Sculpting Steel, Krark-Clan Ironworks?
user
[START OF COMBO]This combo can be formed with Urza, Lord Protector, Scrap Trawler, Sculpting Steel, Krark-Clan Ironworks

Color identity: WU
Mana cost: {2}
Steps:
  1. Cast Sculpting Steel by paying {2}, choosing to have it enter the battlefield as a copy of Krark-Clan Ironworks.
  2. Activate Krark-Clan Ironworks by sacrificing Sculpting Steel, adding {C}{C}.
  3. Sculpting Steel dies, triggering Scrap Trawler, returning Sculpting Steel from your graveyard to your hand.
  4. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Scultping Steel in hand.
[END OF COMBO PREREQUISITES]
assistant