Mortuary, Amareth, the Lustrous, and Ugin's Conjurant

Prerequisites

• Mortuary on the battlefield
• Amareth, the Lustrous on the battlefield
• Ugin's Conjurant in hand

Steps

1. Cast Ugin's Conjurant by paying
2. Ugin's Conjurant enters the battlefield and dies as a state-based action due to having zero toughness
3. Mortuary and Amareth trigger
4. Resolve the Mortuary trigger, putting Ugin's Conjurant on top of your library from your graveyard
5. Resolve the Amareth trigger, causing you to reveal Ugin's Conjurant from the top of your library and put it into your hand
6. Repeat

Results

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