Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token.
When the Kor Ally enters,
Haru triggers, earthbending
Strip Mine.
Activate
Strip Mine's second ability by tapping and sacrificing it, targeting another land.
Haru triggers, returning
Strip Mine from your graveyard to the battlefield untapped due to
Archelos.
Repeat from step 2.
Notes
You can use this combo as a lock, destroying any lands you wish as they enter. To do this combo infinitely, simply target the same land each loop while keeping the
Strip Mine abilities on the stack.
Results
Destroy all lands opponents control.
Destroy all lands that enter the battlefield under an opponent's control.
Infinite ETB.
Infinite creature tokens.
Infinite landfall triggers.
Mass Land Denial.
Metadata
This combo produces a lock.
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).