This can be massive if they have a strong Leader effect or their Character has a pesky ongoing effect you want to remove for the turn
I do think this card is mana-intensive (having to recast the creatures from your hand), but it can have some value as a group hug piece
Some powerful effects banish cards for their cost, as its more final than just dumping them in the Graveyard
You can, for instance, retreat Charizard EX without losing any energy on it, allowing it to grab a one hit KO if your opponent knocks out the Pokmon you swapped in for it
Still, if any Pokemon is a likely contendor for the top 10 outside of the Eeveelutions, it would certainly be Pikachu
What was supposed to just be a backstage meet-and-greet turned into an "unexpected" sale, when Post Malone started asking what the current bid price was