Mortuary, Sling-Gang Lieutenant, Aetherflux Reservoir, and Gwenom, Remorseless

Prerequisites

• Mortuary on the battlefield
• Sling-Gang Lieutenant in hand or in the library
• Aetherflux Reservoir on the battlefield
• Gwenom, Remorseless on the battlefield
• if Sling-Gang Lieutenant is in your hand available

Steps

1. Cast Sling-Gang Lieutenant either from the top of your library by paying 4 life or from your hand by paying
2. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
3. When Sling-Gang Lieutenant enters, it triggers, creating two 1/1 Goblin creature tokens
4. Activate Sling-Gang Lieutenant three times by sacrificing the Goblin tokens and then Sling-Gang Lieutenant
5. When Sling-Gang Lieutenant dies, Mortuary triggers, putting Sling-Gang Lieutenant from your graveyard onto the top of your library
6. Resolve all Sling-Gang Lieutenant abilities, causing target opponent to lose 3 life and you to gain 3 life
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite storm count
• Infinite lifeloss
• Infinite damage
• Infinite creature tokens