Requires

Zimone, Quandrix Prodigy must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Lotus Cobra must be on the battlefield. Simic Growth Chamber must be in hand. Zimone does not have summoning sickness. Mana needed:

Steps

1. Activate Zimone's first ability by paying and tapping it, putting Simic Growth Chamber from your hand onto the battlefield.
2. Simic Growth Chamber enters the battlefield, triggering itself, Lotus Cobra and Retreat to Coralhelm.
3. Resolve the Lotus Cobra trigger, adding .
4. Resolve the Simic Growth Chamber trigger, returning itself from the battlefield to your hand.
5. Resolve the Retreat to Coralhelm trigger, untapping Zimone.
6. Repeat.

Results