Haru, Hidden Talent, Dryad Arbor, Blasting Station, and Rukarumel, Biologist

Prerequisites

• Haru, Hidden Talent on the battlefield
• Dryad Arbor in hand
• Blasting Station on the battlefield
• Rukarumel, Biologist on the battlefield

Steps

1. When Dryad Arbor enters as an Ally due to Rukarumel, Blasting Station and Haru trigger
2. Resolve the Blasting Station trigger, untapping it
3. Resolve the Haru trigger, earthbending Dryad Arbor
4. Activate Dryad Arbor by tapping it, adding
5. Activate Blasting Station by tapping it and sacrificing Dryad Arbor
6. When Dryad Abor dies, Haru triggers, returning Dryad Arbor from your graveyard to the battlefield
7. Repeat steps 2 through 4 one additional time
8. Resolve the Blasting Station ability from step 6
9. Repeat from step 5

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite landfall triggers
• Infinite green mana