Scaretiller, Retreat to Coralhelm, Ghost Town, and Paradise Mantle

Prerequisites

• Scaretiller on the battlefield
• Retreat to Coralhelm on the battlefield
• Ghost Town in hand
• Paradise Mantle on the battlefield

Steps

1. Activate Scaretiller's ability from Paradise Mantle by tapping Scaretiller, adding one mana of any color
2. Scaretiller triggers, putting Ghost Town from your hand onto the battlefield tapped
3. Ghost Town enters the battlefield, triggering Retreat to Coralhelm, untapping Scaretiller
4. Activate Ghost Town's second ability by paying , returning it from the battlefield to your hand
5. Repeat

Results

• Infinite colored mana
• Infinite landfall triggers