Mortuary, Bolas's Citadel, Myr Scrapling, and Bastion of Remembrance

Prerequisites

• Mortuary on the battlefield
• Bolas's Citadel on the battlefield
• Myr Scrapling on the battlefield
• Bastion of Remembrance on the battlefield

Steps

1. Activate Myr Scrapling by sacrificing it
2. When Myr Scrapling dies, Mortuary and Bastion of Remembrance trigger
3. Resolve the Mortuary trigger, putting Myr Scrapling from your graveyard onto the top of your library
4. Resolve the Bastion of Remembrance trigger, causing you to gain 1 life and each opponent to lose 1 life
5. Resolve the Myr Scrapling ability
6. Cast Myr Scrapling from the top of your library by paying 1 life
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite storm count
• Infinite lifeloss
• Infinite +1/+1 counters