Zimone, Quandrix Prodigy, Retreat to Coralhelm, Tiller Engine, and Simic Growth Chamber

Prerequisites

• Zimone, Quandrix Prodigy on the battlefield
• Retreat to Coralhelm on the battlefield
• Tiller Engine on the battlefield
• Simic Growth Chamber in hand
• available

Steps

1. Activate Zimone's first ability by paying and tapping it, putting Simic Growth Chamber from your hand onto the battlefield untapped due to When Simic Growth Chamber enters the battlefield, it, Tiller Engine and Retreat to Coralhelm trigger
2. Resolve the Tiller Engine trigger, untapping Simic Growth Chamber Holding priority, activate Simic Growth Chamber by tapping it, adding
3. Resolve the Simic Growth Chamber trigger from step 2, returning itself from the battlefield to your hand
4. Resolve the Retreat to Coralhelm trigger, untapping Zimone
5. Repeat

Results

• Infinite green mana
• Infinite blue mana
• Infinite landfall triggers