Dockside Extortionist, Mortuary, Grim Haruspex, and Blasting Station

Prerequisites

• Dockside Extortionist on the battlefield
• Mortuary on the battlefield
• Grim Haruspex on the battlefield
• Blasting Station on the battlefield
• Opponents control at least three artifacts and/or enchantments
• available

Steps

1. Activate Blasting Station by tapping and sacrificing Dockside Extortionist
2. Dockside Extortionist dies, triggering Mortuary and Grim Haruspex
3. Resolve the Mortuary trigger, putting Dockside Extortionist on top of your library
4. Resolve the Grim Haruspex trigger, drawing you a card
5. Resolve the Blasting Station's ability, dealing 1 damage to any target
6. Cast Dockside Extortionist by paying
7. Dockside Extortionist enters the battlefield, creating at least three Treasure tokens
8. Activate two Treasure tokens by tapping and sacrificing those, adding
9. Repeat

Results

• Infinite colored mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens