Bolas's Citadel, Mortuary, and Shifting Wall

Prerequisites

• Bolas's Citadel on the battlefield
• Mortuary on the battlefield
• Shifting Wall in hand or in the library

Steps

1. Cast Shifting Wall either from your hand or from the top of your library by paying
2. Shifting Wall enters the battlefield and dies as a state-based action due to having zero or less toughness
3. Mortuary triggers, putting Shifting Wall from your graveyard on top of your library
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count