Prerequisites
- Urza, Lord Protector on the battlefield
- Scrap Trawler on the battlefield
- Sculpting Steel on the battlefield
- Krark-Clan Ironworks on the battlefield
- Scultping Steel in hand
- available
Steps
- Cast Sculpting Steel by paying , choosing to have it enter the battlefield as a copy of Krark-Clan Ironworks
- Activate Krark-Clan Ironworks by sacrificing Sculpting Steel, adding
- Sculpting Steel dies, triggering Scrap Trawler, returning Sculpting Steel from your graveyard to your hand
- Repeat
Results
Required Cards 4
Urza, Lord Protector
Legendary Creature — Human Artificer
Scrap Trawler
Artifact Creature — Construct
Krark-Clan Ironworks
Artifact