Toph, the First Metalbender + Toph, Hardheaded Teacher + Goblin Bombardment + Azorius Chancery

Toph, the First Metalbender

Toph, Hardheaded Teacher

Goblin Bombardment

Azorius Chancery

How it works

1. Cast the artifact by paying 0.
2. Toph, Hardheaded Teacher triggers, earthbending Azorius Chancery.
3. Resolve the artifact spell.
4. Activate Goblin Bombardment by sacrificing Azorius Chancery.
5. When Azorius Chancery dies, Toph, Hardheaded Teach triggers, returning Azorius Chancery from your graveyard to the battlefield tapped.
6. When Azorius Chancery 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 Goblin Bombardment ability
8. Repeat.

This clever loop turns the static land-transforming magic of Toph, the First Metalbender into a relentless engine of destruction by leveraging the bounce trigger of Azorius Chancery. Because Toph, the First Metalbender makes your nontoken artifacts into lands, casting a zero-mana artifact lets Toph, Hardheaded Teacher earthbend the Chancery into a creature so it can be fed directly to Goblin Bombardment. When the earthbent Chancery dies, its built-in safety net returns it to the battlefield tapped, where its enter-the-battlefield ability fires and bounces your original zero-cost artifact back to your hand—ready to be recast and restart the entire chain for infinite damage and triggers.