Groundskeeper + Retreat to Coralhelm + Squandered Resources + Walking Atlas

BGU identity

Commander legal

The 4 combo pieces

• Groundskeeper
• Retreat to Coralhelm
• Squandered Resources
• Walking Atlas

What must be in place

Walking Atlas does not have summoning sickness.
You control a basic Forest.

How to execute it

1. Activate a basic Forest by tapping it, adding {G}.
2. Activate Squandered Resources by sacrificing a basic Forest, adding {G}.
3. Activate Groundskeeper by paying {1}{G}, causing you to put the basic Forest from your graveyard into your hand.
4. Activate Walking Atlas by tapping it, putting the basic Forest onto the battlefield from your hand.
5. The Forest enters the battlefield, triggering Retreat to Coralhelm, untapping Walking Atlas.
6. Repeat.

What the combo produces

• Infinite landfall triggers