Baral's Expertise, Dockside Extortionist, and Nivix Guildmage

Prerequisites

• Baral's Expertise in hand
• Dockside Extortionist on the battlefield
• Nivix Guildmage on the battlefield
• Opponents control at least five artifacts and/or enchantments
• available

Steps

1. Cast Baral's Expertise by paying
2. Holding priority, activate Nivix Guildmage's second ability by paying , copying Baral's Expertise
3. Resolve the copy of Baral's Expertise, returning Dockside Extortionist from the battlefield to your hand, and casting Dockside Extortionist from your hand without paying its mana cost
4. Dockside Extortionist enters the battlefield, creating at least five Treasure tokens
5. Activate four Treasure tokens by tapping and sacrificing them, adding
6. Repeat from step 2
7. Once you have infinite mana, you may use it to activate Nivix Guildmage's first ability to loot infinitely

Results

• Infinite colored mana
• Infinite draw triggers
• Infinite ETB
• Infinite looting
• Infinite LTB
• Infinite magecraft triggers
• Infinite self-discard triggers
• Infinite storm count
• Infinite Treasure tokens