By forcing them to stay exerted, you also keep them vulnerable to additional challenges, making it far more risky for your rivals to use their characters with this card in your deck
The can't be blocked phrase on equipment is strong, and so is the easy way to bounce it back to hand
Ash would then catch another Pokmon to fill the hole, and near the saga's end, Team Member #5 would return to Ash's party, making it a full six
Blastoise EX also has the highest HP total of all other Water-type Pokemon in the game, making it very hard to kill
141 characters Whats the longest Magic card name of all time
As well as that, the "printed name" thing kinda goes against the whole point of the Cyber Dragons, who use name cheating a lot (as Gadjiltron pointed out)