I am a f2p and invest many gems in spellbooks(restart the box 2 times) and it's a great deck against certain decks or against any deck with a godly hand but it's not consistent.I should have been a 🔥 sylvan player and tap yes...At least I would get more wins.
I re-downloaded the game this year (didn't save my progress) and have been playing for 14 days. I have reset the visions of ice box 3 times and have a restart spell book deck that is very consistent. It beats sylvan decks 80:20 when going first and 60:40 going second.