Livio, Oathsworn Sentinel, Dockside Extortionist, and Sparring Mummy

Prerequisites

• Livio, Oathsworn Sentinel on the battlefield
• Dockside Extortionist in hand
• Sparring Mummy on the battlefield
• Livio does not have summoning sickness
• Opponents control at least eight artifacts and/or enchantments
• available

Steps

1. Cast Dockside Extortionist by paying
2. Dockside Extortionist enters the battlefield, creating at least eight Treasure tokens
3. Activate seven Treasure tokens by tapping and sacrificing them, adding
4. Activate Livio's first ability twice by paying , exiling Dockside Extortionist and Sparring Mummy with aegis counters on them
5. Activate Livio's second ability by paying and tapping it, returning Dockside Extortionist and Sparring Mummy from exile to the battlefield
6. Sparring Mummy and Dockside Extortionist enter the battlefield, triggering their abilities
7. Resolve the Dockside Extortionist trigger, creating at least eight Treasure tokens
8. Resolve the Sparring Mummy trigger, untapping Livio
9. Repeat from step 3

Results

• Infinite blinking
• Infinite colored mana
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce