Toph, the First Metalbender, Haru, Hidden Talent, Stalactite Dagger, and Overgrown Estate

Prerequisites

• Toph, the First Metalbender on the battlefield
• Haru, Hidden Talent on the battlefield
• Stalactite Dagger in hand
• Overgrown Estate on the battlefield
• available

Steps

1. Cast Stalactite Dagger by paying
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 Overgrown Estate 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 Overgrown Estate ability
8. Repeat from step 4

Results

• Infinite LTB
• Infinite creature tokens
• Infinite death triggers
• Infinite landfall triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite sacrifice triggers