Although it is a risky play, as phasing your creatures out leaves you totally open to attack, in many situations, its part of the reason why cards like Teferis Protection and Guardian of Faith see so much play
Water wetting has been handled
Later in the game, you can pay two black and two red, as well as exile five other cards from your graveyard, in order to bring Kroxa back onto the battlefield and force your opponent to discard again
Similarly, Virtuous is also a candidate, but I do not include it because it does not have much use other than as a simple removal card
About Hakama Pikachu (SM-P Promotional Cards 208/SM-P) The most obvious thing to notice about this card is the fact that its a costumed Pikachu cardhistorically, those have always been among the most coveted promotional cards of all time