Underworld Breach + Malevolent Rumble + Storm-Kiln Artist

Underworld Breach

Malevolent Rumble

Storm-Kiln Artist

How it works

1. Cast Malevolent Rumble for its escape cost by paying 1 and exiling three other cards from your graveyard.
2. Storm-Kiln Artist triggers, creating a Treasure token.
3. Resolve Malevolent Rumble, causing you to mill four cards and create a 0/1 Eldrazi Spawn creature token.
4. Activate the Eldrazi Spawn by sacrificing it, adding C.
5. Activate the Treasure by tapping and sacrificing it, adding .
6. Repeat.