Patron of the Moon + Retreat to Coralhelm + Tiller Engine + Wonderscape Sage

U identity

Commander legal

The 4 combo pieces

What must be in place

Wonderscape Sage does not have summoning sickness.
You control at least one mana-producing land.

How to execute it

  1. Activate the mana-producing land by tapping it, adding at least {1}.
  2. Activate Wonderscape Sage by tapping it and returning the mana-producing land from the battlefield to your hand, causing you to draw a card and discard a card if the land didn't have a nonbasic land type.
  3. Activate Patron of the Moon by paying {1}, putting the mana-producing land from your hand onto the battlefield.
  4. When the land enters the battlefield, Tiller Engine and Retreat to Coralhelm trigger.
  5. Resolve the Retreat to Coralhelm trigger, untapping Wonderscape Sage.
  6. Resolve the Tiller Engine trigger, untapping the land.
  7. Repeat.

What the combo produces