Blossoming Tortoise + Deserted Temple + Rings of Brighthearth + Tectonic Split

G identity

Commander legal

The 4 combo pieces

• Blossoming Tortoise
• Deserted Temple
• Rings of Brighthearth
• Tectonic Split

How to execute it

1. Activate a land by tapping it, adding three mana of any color due to the ability given to it by Tectonic Split.
2. Activate Deserted Temple's second ability by tapping it, targeting the land
3. Rings of Brighthearth triggers, causing you to pay {2} to copy Deserted Temple's ability, targeting Deserted Temple.
4. Resolve both Deserted Temple abilities, untapping Deserted Temple and the other land
5. Repeat

What the combo produces

• Infinite colored mana
• Infinite mana lands you control can produce
• Infinite untap of lands you control