Tidewater Minion, Rings of Brighthearth, and Lotus Vale

Prerequisites

• Tidewater Minion on the battlefield
• Rings of Brighthearth on the battlefield
• Lotus Vale on the battlefield
• Tidewater Minion does not have summoning sickness
• available

Steps

1. Activate Tidewater Minion's last ability by tapping it, targeting itself
2. Rings of Brighthearth triggers, allowing you to pay to copy Tidewater Minion's ability, targeting Lotus Vale
3. Resolve both Tidewater Minion abilities, untapping Tidewater Minion and Lotus Vale
4. Activate Lotus Vale by tapping it, adding
5. Repeat any number of times
6. Once you have infinite mana, you may target any permanent instead of Lotus Vale

Results

• Infinite colored mana
• Infinite copies of non-mana activated abiltiies you activate
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control