Bolas's Citadel, Mortuary, and Chamber Sentry

Prerequisites

• Bolas's Citadel on the battlefield
• Mortuary on the battlefield
• Chamber Sentry in hand or in the library

Steps

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

Results

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