Zimone, Quandrix Prodigy + Retreat to Coralhelm + Spelunking + Guildless Commons

Zimone, Quandrix Prodigy

Retreat to Coralhelm

Spelunking

Guildless Commons

How it works

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