Retreat to Coralhelm + Ghost Town + Skyshroud Ranger

Prerequisites

• It is not your turn.

Steps

1. 1During any opponent's turn, activate Skyshroud Ranger by tapping it, putting Ghost Town from your hand onto the battlefield.
2. 2When Ghost Town enters the battlefield, Retreat to Coralhelm triggers, untapping Skyshroud Ranger.
3. 3Activate Ghost Town's first ability by tapping it, adding .
4. 4Activate Ghost Town's second ability by paying , returning it from the battlefield to your hand.
5. 5Repeat.

Effects

• Infinite colorless mana during each opponent's turn
• Infinite landfall triggers