Haru, Hidden Talent, Dryad Arbor, Shilgengar, Sire of Famine, and Rukarumel, Biologist

Prerequisites

• Haru, Hidden Talent on the battlefield
• Dryad Arbor in hand
• Shilgengar, Sire of Famine on the battlefield
• Rukarumel, Biologist on the battlefield

Steps

1. Play Dryad Arbor
2. When Dryad Arbor enters as an Ally due to Rukarumel, Haru triggers, earthbending Dryad Arbor
3. Activate Dryad Arbor by tapping it, adding
4. Activate Shilgengar by sacrificing Dryad Arbor
5. When Dryad Abor dies, Haru triggers, returning Dryad Arbor from your graveyard to the battlefield
6. When Dryad Arbor enters as an Ally due to Rukarumel, Haru triggers, earthbending Dryad Arbor
7. Resolve the Shilgengar ability
8. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers
• Infinite Blood tokens
• Infinite green mana
• Infinite self-discard triggers
• Infinite draw triggers
• Infinite rummaging