Scenario 1: Attack, then Flip to retreat
Player A uses "Creature Swap" to trade a "Fluff Token" for an Attack Position "Great Spirit".
Scenario 2: Flip, Flip Summon, Repeat?
Player A Special Summoned "Guardian Sphinx" with "Call of the Haunted" during Player B's End Phase.
Scenario 3: The Exception to the Rule
It is Player A's Main Phase and they control a face-up Attack Position "Flip Flop Frog" from a previous turn.