Toph, the First Metalbender, Master Transmuter, Retreat to Coralhelm, and Gilded Lotus

Prerequisites

• Toph, the First Metalbender on the battlefield
• Master Transmuter on the battlefield
• Retreat to Coralhelm on the battlefield
• Gilded Lotus on the battlefield

Steps

1. Activate Gilded Lotus by tapping it, adding
2. Activate Master Transmuter by paying , tapping it and returning Gilded Lotus from the battlefield to your hand, putting Gilded Lotus onto the battlefield
3. When Gilded Lotus enters, Retreat to Coralhelm triggers, as Gilded Lotus is a land due to Toph, untapping Master Transmuter
4. Repeat

Results

• Infinite colored mana
• Infinite landfall triggers