I really love this game. The reason I began playing it was because I already am a magic the gathering fan. Like many people, I started my magic addiction more than twenty years ago- which gives me a natural affinity towards the older cards.
Its a shame that they have classic Planeswalkers for puzzle quest, but no classic cards. It gives the game a lackluster “temporary” feel. I’ve seen many players complaining about excess runes and what to spend them on… so how about making classic packs you can buy with runes? I know I can’t be the only one wanting to see stoneforge mystic, teferis puzzle box, volcanic island, or lord of atlantis added to puzzle quest. These would be some really sweet additions to a game with so much potential. My fingers are crossed, and hopefully we will see a puzzle quest shivan dragon in the near future.
Chaos Orb please. 
Power Nine what could be better? Not at all broken. Lol