Toph, the First Metalbender + Haru, Hidden Talent + Stalactite Dagger + Coastal Hornclaw

Toph, the First Metalbender

Haru, Hidden Talent

Stalactite Dagger

Coastal Hornclaw

How it works

1. Cast Stalactite Dagger by paying 2.
2. When Stalactite Dagger enters, it triggers, creating a 1/1 Shapeshifter creature token with changeling.
3. When the Shapeshifter enters, Haru triggers, earthbending Stalactite Dagger, as it's a land due to Toph.
4. Activate Coastal Hornclaw by sacrificing Stalactite Dagger.
5. When Stalactite Dagger dies, Haru triggers, returning Stalactite Dagger from your graveyard to the battlefield.
6. Repeat steps 2 and 3 once.
7. Resolve the Coastal Hornclaw ability.
8. Repeat from step 4.