Patron of the Moon, Amulet of Vigor, and Golgari Rot Farm

Prerequisites

• Patron of the Moon on the battlefield
• Amulet of Vigor on the battlefield
• Golgari Rot Farm in hand
• available

Steps

1. Activate Patron of the Moon by paying , putting Golgari Rot Farm from your hand onto the battlefield
2. When Golgari Rot Farm enters the battlefield, it and Amulet of Vigor trigger
3. Resolve the Amulet of Vigor trigger, untapping Golgari Rot Farm
4. Activate Golgari Rot Farm by tapping it, adding
5. Resolve the Golgari Rot Farm trigger from step 2, returning it from the battlefield to your hand
6. Repeat

Results

• Infinite black mana
• Infinite green mana
• Infinite landfall triggers