Underworld Breach + Malevolent Rumble + Fervor + Cryptolith Rite

Underworld Breach

Malevolent Rumble

Fervor

Cryptolith Rite

How it works

1. Cast Malevolent Rumble for its escape cost by paying 1 and exiling three other cards from your graveyard, causing you to mill at least three cards and create a 0/1 Eldrazi Spawn creature token.
2. Activate the Eldrazi Spawn by tapping it, adding .
3. Activate the Eldrazi Spawn by sacrificing it, adding C.
4. Repeat.

This clever loop turns Underworld Breach into a recursive engine by continuously casting Malevolent Rumble from your graveyard for its escape cost, constantly feeding your graveyard with new fuel while spinning up Eldrazi Spawn tokens. Fervor ensures those newly created tokens can tap immediately rather than suffering from summoning sickness, while Cryptolith Rite turns them into mana producers so you can generate the green mana required to keep casting your spells. Together, these enchantments transform a single sorcery and a fragile token into a cascading storm of self-mill and creature triggers.