Mortuary, Experimental Frenzy, and Walking Ballista

Prerequisites

• Mortuary on the battlefield
• Experimental Frenzy on the battlefield
• Walking Ballista in the library

Steps

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

Results

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