Dockside Extortionist, Underworld Breach, Grinding Station, and Goblin Bombardment

Prerequisites

• Dockside Extortionist in hand or in the graveyard
• Underworld Breach on the battlefield
• Grinding Station on the battlefield
• Goblin Bombardment on the battlefield
• You have at least three additional cards in your graveyard if Dockside Extortionist is in your graveyard
• Opponents control at least three artifacts and/or enchantments
• available

Steps

1. Cast Dockside Extortionist either from your hand by paying or from your graveyard for its escape cost by paying and exiling three other cards from your graveyard
2. Dockside Extortionist enters the battlefield, creating at least three Treasure tokens
3. The Treasures enter the battlefield, triggering Grinding Station that many times, untapping Grinding Station
4. Activate Grinding Station by sacrificing a Treasure, causing you to mill three cards
5. Activate Goblin Bombardment by sacrificing Dockside Extortionist, dealing 1 damage to any target
6. Activate a Treasure by tapping and sacrificing it, adding
7. Repeat

Results

• Infinite self-mill
• Near-infinite colored mana
• Near-infinite damage
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite mill
• Near-infinite sacrifice triggers
• Near-infinite storm count
• Near-infinite Treasure tokens