Llanowar Scout, Amulet of Vigor, Pemmin's Aura, and Simic Growth Chamber

Prerequisites

• Llanowar Scout on the battlefield
• Amulet of Vigor on the battlefield
• Pemmin's Aura on the battlefield
• Simic Growth Chamber in hand
• Pemmin's Aura attached to Llanowar Scout
• Llanowar Scout does not have summoning sickness

Steps

1. Activate Llanowar Scout by tapping it, putting Simic Growth Chamber onto the battlefield from your hand
2. When Simic Growth Chamber enters the battlefield, it and Amulet of Vigor trigger
3. Resolve the Amulet of Vigor trigger, untapping Simic Growth Chamber
4. Activate Simic Growth Chamber by tapping it, adding
5. Resolve the Simic Growth Chamber trigger from step 2, returning it to your hand from the battlefield
6. Activate Pemmin's Aura's first ability by paying , untapping Llanowar Scout
7. Repeat

Results

• Infinite green mana
• Infinite landfall triggers