Famitsu (in Japanese)
So if your Tetsuko Umezawa, Fugitive gets in unblocked and you try to ninjutsu Silver-Fur Master into play, and an opponent Stifles it, the stays paid, the Fugitive returns to your hand, and the Master is revealed and stays in your hand
Just like most special Pikachu cards, it is good in a battle
Having the uncommons and commons mixed in with either of those last slots means you get some terrible odds
Any triggers saying At the beginning of the end step will not have a chance to trigger, since there is no beginning of the end of days , and the triggering event doesnt occur
Together, these cards can cause consistent damage for extremely cheap Energy costs, giving you time to cycle through your deck for the ex cards