Mikaeus, the Unhallowed, Resourceful Defense, Dockside Extortionist, and Goblin Bombardment

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Resourceful Defense on the battlefield
• Dockside Extortionist on the battlefield
• Goblin Bombardment on the battlefield
• Opponents control at least five artifacts and/or enchantments
• Dockside Extortionist does not have a +1/+1 counter on it

Steps

1. Activate Goblin Bombardment by sacrificing Dockside Extortionist
2. When Dockside Extortionist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it
3. When Dockside Extortionist enters the battlefield, it triggers, creating at least five Treasure artifact tokens
4. Resolve the Goblin Bombardment ability from step 1, dealing 1 damage to any target
5. Activate five Treasures by tapping and sacrificing them, adding
6. Activate Resourceful Defense by paying , moving all +1/+1 counters from Dockside Extortionist onto another permanent you control
7. Repeat
8. If opponents control six or more artifacts and/or enchantments, this combo nets infinite Treasure tokens and colored mana

Results

• Infinite +1/+1 counters
• Infinite colored mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens