(6/23/2020) If an opponent gains control of your creature and it phases out and the duration of the control-change effect expires before it phases in, that permanent phases in under your control as that opponent's next untap step begins
If the listing doesn't include a cert number, ask for it or buy on a platform like Misprint where verification is built in
There are over 100 of these side quests, and they involve all sorts of tasks, such as battles, catching certain Pokemon, teaching Pokemon specific moves, trading, evolving, acquiring certain items, doing parkour, and a lot more
From appealing subjects to older cards disappearing over time and even printing errors, there are many factors involved in determining which are the very rarest Pokmon cards, which in turn can greatly affect their value