Toph, the First Metalbender + Toph, Hardheaded Teacher + Rakdos Carnarium + Need for Speed

Toph, the First Metalbender

Toph, Hardheaded Teacher

Rakdos Carnarium

Need for Speed

How it works

1. Cast the artifact by paying 0.
2. Toph, Hardheaded Teacher triggers, earthbending Rakdos Carnarium.
3. Resolve the artifact spell.
4. Activate Need for Speed by sacrificing Rakdos Carnarium.
5. When Rakdos Carnarium dies, Toph, Hardheaded Teach triggers, returning Rakdos Carnarium from your graveyard to the battlefield tapped.
6. When Rakdos Carnarium enters, it triggers, returning the artifact cast in step 1 from the battlefield to your hand, as it's a land due to Toph, the First Metalbender.
7. Resolve the Need for Speed ability
8. Repeat.

This intricate loop turns the laws of the battlefield upside down by leveraging Toph, the First Metalbender to permanently reclassify your nontoken artifacts as lands. Once that foundation is set, you can cast a zero-mana artifact to trigger Toph, Hardheaded Teacher, which animates Rakdos Carnarium into an earthbent creature land ready to be sacrificed to Need for Speed. Because Rakdos Carnarium counts as a land, its death conveniently satisfies Need for Speed's cost while allowing Toph, Hardheaded Teacher's own persistent triggered recovery to pluck it right back from the graveyard. Finally, the bouncing land ability of Rakdos Carnarium targets and retrieves your original artifact, letting you loop the entire process endlessly for a staggering array of repetitive triggers.