Zimone, Quandrix Prodigy + Retreat to Coralhelm + Spelunking + Gruul Turf

Zimone, Quandrix Prodigy

Retreat to Coralhelm

Spelunking

Gruul Turf

How it works

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