Typically, grading companies use a scale from 1-10 to determine the condition of your cards, with a grade of 10 , or gem mint, being the best condition your card can be in
You might also consider adding the artifact pinging creatures like Reckless Fireweaver as additional damage to the table
Its really hard to imagine this value sustaining, so theres a decent chance its been sold at its peak
9 Fable Of The Mirror-Breaker, Reflection Of Kiki-Jiki One of those obvious-in-retrospect power cards that many overlooked upon its initial reveal, Fable of the Mirror-Breaker has gone on to play key roles in Midrange decks in Standard, Pioneer, Modern, and even Legacy
Theres one card in particular that made me want to take a look at Planeshift in particular and thats Wastescape Battlemage