Zimone, Quandrix Prodigy + Retreat to Coralhelm + Archelos, Lagoon Mystic + Boros Garrison

Zimone, Quandrix Prodigy

Retreat to Coralhelm

Archelos, Lagoon Mystic

Boros Garrison

How it works

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