Double extra swap still possible [Investigating]

Duets of mana - Tears and Memories - First entry - Vivian's Invocation

First turn right from the start: I match 5 green, my permanent was involved.

This match caused a second 5 match in blue and again my permanent was involved.

Result: 2 extra swaps.

No cards were cast and nothing but the permanents are on the battlefield.

Battlelog and screenshot after the match happend available.