Patron of the Moon, Simic Growth Chamber, and Tiller Engine

Prerequisites

• Patron of the Moon on the battlefield
• Simic Growth Chamber in hand
• Tiller Engine on the battlefield
• available

Steps

1. Pay to activate Patron of the Moon, putting Simic Growth Chamber from your hand onto the battlefield
2. When Simic Growth Chamber enters, it and Tiller Engine each trigger
3. Resolve Tiller Engine's ability, untapping Simic Growth Chamber
4. Activate Simic Growth Chamber by tapping it, adding two mana
5. Resolve Simic Growth Chamber's triggered ability, returning it from the battlefield to your hand
6. Repeat

Results

• Infinite blue mana
• Infinite green mana
• Infinite landfall triggers