Survey Mechan, Mortuary, Ashnod's Altar, Skeleton Crew, and Exalted Sunborn

Prerequisites

• Survey Mechan on the battlefield
• Mortuary on the battlefield
• Ashnod's Altar on the battlefield
• Skeleton Crew on the battlefield
• Exalted Sunborn on the battlefield

Steps

1. Activate Survey Mechan by sacrificing it
2. When Survey Mechan dies, Mortuary triggers, putting Survey Mechan from your graveyard onto the top of your library
3. Skeleton Crew triggers, creating two creature tokens
4. Resolve the Survey Mechan ability, dealing 3 damage to any target and causing you to draw three cards and gain 3 life
5. Activate Ashnod's Altar twice by sacrificing the two creature tokens, adding
6. Cast Survey Mechan by paying
7. Repeat

Results

• Near-infinite damage
• Infinite card draw
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite storm count
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers