Krark-Clan Ironworks, Spine of Ish Sah, Sculpting Steel, and Gran-Gran

Prerequisites

• Krark-Clan Ironworks on the battlefield
• Spine of Ish Sah on the battlefield
• Sculpting Steel in hand
• Gran-Gran on the battlefield
• available

Steps

1. Cast Sculpting Steel by paying due to Gran-Gran
2. Choose to have it enter as a copy of Spine of Ish Sah
3. When Sculpting Steel enters, its first ability triggers, destroying a permanent
4. Activate Krark-Clan Ironworks by sacrificing Sculpting Steel, adding
5. Sculpting Steel's second ability triggers, returning it from your graveyard to your hand
6. Repeat

Results

• Near-infinite artifact ETB
• Near-infinite artifact LTB
• Near-infinite artifact sacrifice triggers
• Destroy all permanents opponents control on each of your turns
• Lock
• Mass Land Denial