Unruly Mob, Animation Module, Ashnod's Altar, and Teysa Karlov

Prerequisites

• Unruly Mob on the battlefield
• Animation Module on the battlefield
• Ashnod's Altar on the battlefield
• Teysa Karlov on the battlefield
• You control an additional creature

Steps

1. Activate Ashnod's Altar by sacrificing a creature, adding
2. Unruly Mob triggers twice, putting two +1/+1 counters on itself
3. Animation Module triggers twice, costing you to create two 1/1 Servo creature tokens
4. Repeat

Results

• Infinite +1/+1 counters on Unruly Mob
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers