Yes, it is certainly possible to view the value of your pokemon cards
Its a three-mana 2/2 Vampire, which can make it good in any deck with Vampires at all, but its also one with built-in card removal
The goal with this deck is to open up with Core, grab either Cyberload Fusion or Cybernetic Overflow, depending on whats in hand, and then go from there
Damping Sphere Damping Sphere is a sweet meta-specific hate card that you can add if you want some ammo against decks that either ramp too hard with cards like Cabal Coffers and Mana Reflection, or like to combo off by casting tons of spells like Storm decks do (Tendrils of Agony)
In order to setup all this we have Dragon Shrine and Ravine
Yes, thats their primary purpose