Krark-Clan Ironworks + Spine of Ish Sah + Sculpting Steel + Ugin, the Ineffable

Prerequisites

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Steps

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

Effects

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