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.