In fact, this deck is actually Type Two (now Standard) legal for a bit, and dominated Extended later
There is no mana cost at which this effect would be playable as-written
There are a lot of Reckless Ruby characters in this deck (Reckless: This character can't quest and must challenge each turn if able), but the new addition of Locations gives these Reckless characters safer targets to attack
Try to give yourself access to a diversity of removal types, including targeted spells like Blink of an Eye, board wipes like Akromas Vengeance, and exile spells like Angelic Edict in case your opponents cast something indestructible
I did this so it would be easy to see who offered the most not only on mythics and rares but also on commons and uncommons which is where you can make a surprising amount of money selling to a buylist
International Orders will include tracking if available