Mortuary, Garruk's Horde, and Hangarback Walker

Prerequisites

• Mortuary on the battlefield
• Garruk's Horde on the battlefield
• Hangarback Walker in hand or in the library

Steps

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

Results

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