Mortuary, Amareth, the Lustrous, and Cryptic Trilobite

Prerequisites

• Mortuary on the battlefield
• Amareth, the Lustrous on the battlefield
• Cryptic Trilobite in hand

Steps

1. Cast Cryptic Trilobite by paying
2. Cryptic Trilobite 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 Cryptic Trilobite on top of your library from your graveyard
5. Resolve the Amareth trigger, causing you to reveal Cryptic Trilobite 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