Krark-Clan Ironworks + Spine of Ish Sah + Sculpting Steel + Glaring Fleshraker

Krark-Clan Ironworks

Spine of Ish Sah

Sculpting Steel

Glaring Fleshraker

How it works

1. Cast Sculpting Steel by paying 2 due to Glaring Fleshraker.
2. Glaring Fleshraker's first ability triggers, creating a 0/1 Eldrazi Spawn creature token.
3. When the Eldrazi Spawn enters, Glaring Fleshraker's second ability triggers, dealing 1 damage to each opponent.
4. Resolve Sculpting Steel. 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 the Eldrazi Spawn by sacrificing it, adding C.
7. Activate Krark-Clan Ironworks by sacrificing Sculpting Steel, adding CC.
8. Sculpting Steel's second ability triggers, returning it from your graveyard to your hand.
9. Repeat.