The reminder text should clear that up
Shining Legends (2017) A special mini set focused on Mythical Pokmon, including shiny versions of Mew, Rayquaza, and Jirachi
There's a wide variety of instants, sorceries, and even cards that interact with a few specific mechanics that will help you get ahead in card advantage, the iconic concept Magic: The Gathering players constantly look for
Dont Move is a huge tempo reset, because not only does it wipe the board of a bunch of creatures, it also makes it much harder for opponents to attack at all in the ensuing turn cycle
It's a Mewtwo V Alternate Art
It will remain in effect until the game ends, the target creature leaves the battlefield, or some subsequent effect changes the creature's characteristics, whichever comes first