Ashaya, Soul of the Wild, Blossoming Tortoise, Spawning Pit, Myr Welder, and Doc Samson, Super Psychiatrist

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Blossoming Tortoise on the battlefield
• Spawning Pit in exile
• Myr Welder on the battlefield
• Doc Samson, Super Psychiatrist on the battlefield

Steps

1. Activate Myr Welder using Spawning Pit's second ability by removing two charge counters from it due to Blossoming Tortoise, creating a 2/2 Spawn artifact creature token
2. Activate Myr Welder using Spawning Pit's first ability by sacrificing the Spawn, putting two charge counters on it
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers