Mortuary, Realmwalker, and Stonecoil Serpent

Prerequisites

• Mortuary on the battlefield
• Realmwalker on the battlefield
• Stonecoil Serpent in hand or in the library
• "Snake" chosen with Realmwalker

Steps

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

Results

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