Retreat to Emeria | Haru, Hidden Talent | Shilgengar, Sire of Famine

Cards

Play a land.
When the land enters,
Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token.
When the Kor Ally enters,
Haru triggers, earthbending the land that entered.
Activate
Shilgengar by sacrificing the earthbended land.
Haru triggers, returning the land from your graveyard to the battlefield tapped.
When the land enters,
Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token.
When the Kor Ally enters,
Haru triggers, earthbending the land that entered.
Resolve the
Shilgengar ability from step 4.
Repeat from step 4.