Bolas's Citadel, Mortuary, and Ugin's Conjurant

Prerequisites

• Bolas's Citadel on the battlefield
• Mortuary on the battlefield
• Ugin's Conjurant in hand or in the library

Steps

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

Results

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