I also alluded to Balthier having something to do with vehicles, but I'm not giving myself full credit for that one because I also predicted he would have something to do with Pirates, which he doesn't
BPhillipYork: This is decently utilitarian, 3 mana for a mana rock is close enough to good that with the other abilities it potentially includes
Getting a creature with deathtouch for 3 mana will give you a massive defense that isnt easily removed
(Some abilities can also target unexerted cards.) But not using them has less of a direct benefit - you dont need to defend your life points, as in MTG or Yu-Gi-Oh!, so leaving cards upright is typically only worthwhile if theyre likely to be challenged by your opponent and you need them for a future turn
Therefore, you can find the up to date list of Cardmarkets most expensive cards here
Scream Puff is a fun card