Patron of the Moon, Cloudstone Curio, and Archelos, Lagoon Mystic

Prerequisites

• Patron of the Moon on the battlefield
• Cloudstone Curio on the battlefield
• Archelos, Lagoon Mystic on the battlefield
• available

Steps

1. Activate Patron of the Moon by paying , putting two nonartifact lands from your hand onto the battlefield untapped due to Archelos
2. When the lands enter, Cloudstone Curio triggers twice
3. Holding priority, activate the lands by tapping them, adding at least
4. Resolve both Cloudstone Curio triggers, returning the lands from the battlefield to your hand
5. Repeat

Results

• Infinite mana lands you control can produce
• Infinite landfall triggers