Patron of the Moon, Spelunking, and Orzhov Basilica

Prerequisites

• Patron of the Moon on the battlefield
• Spelunking on the battlefield
• Orzhov Basilica in hand
• available

Steps

1. Pay to activate Patron of the Moon, putting Orzhov Basilica from your hand onto the battlefield untapped due to Spelunking
2. When Orzhov Basilica enters, it triggers
3. Activate Orzhov Basilicaby tapping it, adding two mana
4. Resolve Orzhov Basilica's triggered ability, returning it from the battlefield to your hand
5. Repeat

Results

• Infinite black mana
• Infinite landfall triggers
• Infinite white mana
• Infinite card draw
• Infinite draw triggers