Dockside Extortionist, Mayhem Devil, and Recurring Nightmare

Prerequisites

• Dockside Extortionist in hand
• Mayhem Devil in your graveyard
• Recurring Nightmare on the battlefield
• Opponents control at least six artifacts and/or enchantments
• available

Steps

1. Cast Dockside Extortionist by paying
2. Dockside Extortionist enters the battlefield, creating at least six Treasure tokens
3. Activate Recurring Nightmare by sacrificing Dockside Extortionist and returning itself to hand, return Mayhem Devil to the battlefield
4. Activate five Treasure tokens by tapping and sacrificing those, adding
5. Mayhem Devil triggers six times each
6. Resolve the first Mayhem Devil trigger, dealing 1 damage to any target
7. Repeat step 6 for each remaining Mayhem Devil trigger
8. Cast Recurring Nightmare by paying
9. Activate Recurring Nightmare by sacrificing Mayhem Devil
10. Mayhem Devil trigger, dealing 1 damage to any target
11. Resolve the Recurring Nightmare by returning itself to hand, return Dockside Extortionist to the battlefield
12. Repeat from step 2

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count
• Infinite Treasure tokens