Mortuary, Harvester of Souls, and Cryptic Trilobite

Prerequisites

• Mortuary on the battlefield
• Harvester of Souls on the battlefield
• Cryptic Trilobite in hand

Steps

1. Cast Cryptic Trilobite by paying
2. Cryptic Trilobite enters and dies as a state-based action due to having 0 toughness, triggering Mortuary and Harvester of Souls
3. Resolve the Mortuary trigger, putting Cryptic Trilobite from your graveyard onto the top of your library
4. Resolve the Harvester of Souls trigger, causing you to draw a card, thus drawing Cryptic Trilobite from your library
5. Repeat

Results

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