The cost for a Servo token is a bit high, and the X/X token can be a dud if you don't control that many creatures
Kastral, the Windcrested Move over, Kangee, Aerie Keeper, we have a new Bird typal commander, and its Kastral, the Windcrested
I have lost to basically just Baleful Strix in combination with Academy Ruins when playing against affinity so the card actually can offer some pretty powerful late game in the right situation
Kassandra gives you two permanents for the price of one, with the two cards having a combined mana value of six
Only time will tell if these cards command a premium for collectors or if they see no interest due to lack of playability in western game environments
Use a card box or binder specifically designed for sleeved cards to minimize movement and potential damage