Blossoming Tortoise + Deserted Temple + Lotus Field + Rings of Brighthearth

G identity

Commander legal

The 4 combo pieces

• Blossoming Tortoise
• Deserted Temple
• Lotus Field
• Rings of Brighthearth

How to execute it

1. Activate Lotus Field by tapping it, adding three mana of any color
2. Activate Deserted Temple's second ability by tapping it, targeting Lotus Field.
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 Lotus Field
5. Repeat

What the combo produces

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