Being able to choose which Supporter to play for turn is also really big. You can N your opponent down to one or two or get a Colress for 10 to try to draw into exactly what you need. You can avoid getting rid or your entire hand with Juniper if you have some other Supporters in the discard. It also allows for you to search out your Supporter for turnif you play Battle Compressor with it, though I don't think I would play Battle Compressor for that lone purpose. It also makes tech Supporters like Pokemon Center Lady / Xerosic / and AZ a lot more viable, plus the a bhai lot to reuse those Supporters, even though you only play one copy. I even played against one player who's Supporter line was 4 Professor Juniper, 4 VS Seeker, X Random Receiver, X Battle Compressor, Electrode (and then one Trump Card to get back resources).