@Carter currently values are:
Drink Me - 10-12k
Shark Magic - 10-12k
Confetti - 10-12k
Flying Carpet - 12-14k
Bat Magic - 30k
Cursed Storm - 5-7k
Snowman Magic - 6-7k
Invisibility - 20k
Test Track - 12k
x2 Spaceship - 12k
Zombie Magic - 10k
Fireworks - Around 17 Walls (walls go for 20k)
Inferno - A LOT!
Hope this helps you!
I would agree with most of those.
However, I feel like bat magic is only around 20k ish, fireworks magic is 12-14 walls, test track probably around 15k, and the magics at 10-12k I would put at 11-13k.
As for inferno who even knows or cares :P Only people willing to pay all their rares will get them, no thank you ;D