Wind carries maple leaves across the board in Amberfall, and carries something else with them: Vine Creep, reaching in from every edge you leave open.
Vine Creep
Vine Creep
Tiles near the border grow over if you ignore them. Clearing a line near the edge holds the vines back; clearing only the center invites them in.
Amberfall flips the instinct to clear the easiest line first — the edges matter more here than the middle.