All you have to do is get a Darkness Energy onto Munkidori to use it, shifting the dynamics of the board after each attack you take from your opponent
Creatures are permanents, meaning they stay on the battlefield until they are destroyed or otherwise removed from the game
In any case, the exhibit marked the first time Munchs The Scream was displayed in Japan and so it was fitting to greet it with some Pokmon love
I highlighy recommend watching the whole video as he goes into great detail about the various problems concerning the Ultimate Masters release, especially as part of a larger price issue with Magic as a whole
Similarly, Chespin #87 sees the Grass-type perched on a fallen tree branch, basking in dappled sunlight, its little face full of glee (which is clearly infectious, because I got very happy indeed when I pulled it)