Retreat to Coralhelm | Izzet Boilerworks | Walking Atlas

Cards

Izzet Boilerworks in hand.
Retreat to Coralhelm and
Walking Atlas on the battlefield (
Walking Atlas without summoning sickness).

Activate
Walking Atlas by tapping it, putting
Izzet Boilerworks from your hand onto the battlefield.
When
Izzet Boilerworks enters the battlefield, it and
Retreat to Coralhelm trigger.
Resolve the
Izzet Boilerworks trigger, returning itself from the battlefield to your hand.
Resolve the
Retreat to Coralhelm trigger, untapping
Walking Atlas.
Repeat.