Livio, Oathsworn Sentinel, Dockside Extortionist, and Intruder Alarm

Prerequisites

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

Steps

1. Cast Dockside Extortionist by paying
2. Dockside Extortionist enters the battlefield, triggering itself and Intruder Alarm
3. Resolve the Intruder Alarm trigger, untapping all creatures
4. Resolve the Docksdie Extortionist trigger, creating at least six Treasure tokens
5. Activate five Treasure tokens by tapping and sacrificing them, adding
6. Activate Livio's first ability by paying , exiling Dockside Extortionist with an aegis counter on it
7. Activate Livio's second ability by paying and tapping it, returning Dockside Extortionist from exile to the battlefield
8. Repeat from step 2

Results

• Infinite blinking
• Infinite colored mana
• Infinite colorless mana
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens
• Infinite untap of all creatures