Mox Opal While the metalcraft clause on Mox Opal looks intimidating, its easy to turn oneasy enough to see the card banned in Modern
2/2 Illustrated by Ilse Gort Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
And thus, Emerald Charm was a handy solution to any global enchantments (for you younglings, those enchantments which don't enchant anything in particular, such as Form of the Dragon or Worship), a way to bring flyers down to earth, and a second use of a utility creature, all wrapped into one neat little charm
Even more surprising than that, however, is the fact this card, Nazgl, could take up five spots in this top ten list
Foil Underprinting Errors: Foil cards get an extra layer of ink applied to them before the CMYK layers called the underprinting layer
And if thats your goal