They must usually be Set on the field, and may be activated at any time after the turn they were, including during an opponent's turn
It features one of the original 151 Pokemon with Mitsuhiro Arita's iconic artwork, and it carries the nostalgia factor of being from the very first English Pokemon set
These are intended to be played more for fun and comedy than for power and efficiency
It's difficult to say the same number, but if it's 2 or 3, it should be possible to activate it with a number around that
One of the most popular choices among serious collectors is the Vault X Exo-tec Binder
But if, you have reliable sources for die rolls, and you were going five color dice, why not slot in Dee Kay, Finder of the Lost