Ulalek, Fused Atrocity, Annie Joins Up, and Spawn-Gang Commander

Prerequisites

• Ulalek, Fused Atrocity on the battlefield
• Annie Joins Up on the battlefield
• Spawn-Gang Commander in hand
• available

Steps

1. Cast Spawn-Gang Commander by paying
2. Ulalek triggers twice, and Spawn-Gang Commander triggers once
3. Resolve one of Ulalek's triggers, causing you to pay to copy the Spawn-Gang Commander spell, Ulalek's trigger and Spawn-Gang Commander's trigger
4. Resolve the copy of Spawn-Gang Commander's trigger, creating three 0/1 Eldrazi Spawn creature tokens
5. Holding priority, activate two Eldrazi Spawns by sacrificing them, adding
6. Resolve the Ulalek trigger from step 3, causing you to pay to copy the Spawn-Gang Commander spell, Ulalek's trigger and Spawn-Gang Commander's trigger
7. Repeat from step 4

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite damage
• Infinite creature tokens
• Infinite copies of abilities you control on the stack