Dockside Extortionist, Lithoform Engine, Leave // Chance, and Leyline of Anticipation

Prerequisites

• Dockside Extortionist in hand
• Lithoform Engine on the battlefield
• Leave // Chance in hand
• Leyline of Anticipation on the battlefield
• Opponents control at least ten artifacts and/or enchantments
• available

Steps

1. Cast Dockside Extortionist by paying
2. Dockside Extortionist enters the battlefield, creating at least ten Treasure tokens
3. Activate seven Treasure tokens by tapping and sacrificing them, adding
4. Cast Leave by paying
5. Holding priority, activate Lithoform Engine's second ability by paying and tapping it, copying Leave
6. Resolve the copy of Leave, returning Dockside Extortionist and Lithoform Engine from the battlefield to your hand
7. Cast Dockside Extortionist by paying
8. Dockside Extortionist enters the battlefield, creating at least ten Treasure tokens
9. Activate nine Treasure tokens by tapping and sacrificing them, adding
10. Cast Lithoform Engine by paying
11. Repeat from step 5

Results

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