Zimone, Quandrix Prodigy + Retreat to Coralhelm + Izzet Boilerworks + Horizon Explorer

Zimone, Quandrix Prodigy

Retreat to Coralhelm

Izzet Boilerworks

Horizon Explorer

How it works

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