The higher mana value can be a bit of a drawback since youll take longer to cast it, but I honestly believe its not such a big issue
Its attack, Twin Shotels, does 50 damage to two opposing Pokmon, disregarding their weakness, resistance, and effects
Features a secure elastic band to hold the binder closed
Voltron is a classic Commander strategy, and Galea, Kindler of Hope is a great Voltron commander, acting as a card advantage engine that also cheats equip costs
From my limited perspective, you don't have much draw unless you have a bunch of enchantments on board to trigger one of your burst draw effects
In comparison, newer cards will almost always be less valuable than Base Set cards because there are so many available