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

Prerequisites

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

Steps

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

Results

• Destroy all permanents opponents control on each of your turns
• Lock
• Mass Land Denial