Prototype Portal + Retreat to Coralhelm + Ensoul Artifact + Tree of Tales
Prototype Portal
Retreat to Coralhelm
Ensoul Artifact
Tree of Tales
Infinite Forest tokensInfinite Plains tokensInfinite Island tokensInfinite Mountain tokensInfinite landfall triggersInfinite copies of a specific landInfinite colored manaInfinite Swamp tokens
How it works
Activate Prototype Portal by tapping it, creating a token copy of Tree of Tales.
When the Tree of Tales token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.