The deck would lose some consistency, but you gain so much more explosiveness and resiliency that it would be an easy inclusion, especially when combined with Lurrus of the Dream-Den
That's all you have to do
Now, you can battle by taking on the Pokemon left to guard opposing Gyms, but battling a computer-controlled Pokemon in a 6 vs 1 fight just isnt the same as challenging your friend (or lifelong rival, grrr, curse you Kyle Anderson from the sixth grade!) to a competitive battle to see who trained the better Pokemon
Yea, I guess misaligned cards or misprinted text is more interesting for error collectors, whereas the corners could probably just be corrected with a careful cut (and some edge protection or something, Im sure it could get fancy)
This card is expensive to use, but it lets you return a defeated character to your hand
These cards were all pretty pushed to help keep that theme front and center