It allows you to do a massive number of pings whenever any player sacrifices a permanent
It doesnt matter if its a bubble thats going to pop or a sudden appreciation for its cards
Apart from the end-of-turn tricks, Flickerwisp is the only one of our exile / return effects that can target our opponent's things, which means we can use it to get rid of +1/+1 counters or a blocker for a turn, or get in an attack by removing an Ensnaring Bridge
In order to prevent further PR disasters like this from happening in the future, and to placate collectors who had lost a great deal with the printing of Chronicles, Wizards released the now-infamous reserved list as a promise to never again print certain cards in later expansions or core sets
One can make creatures effectively unblockable by supplying protection and altering colors, and opponents' removal can be made useless in the same way
the sets sometimes come with exclusive designs or even different Pokemon to the ones we receive in the West on occasion