The biggest reveal is that they are printing exactly one copy of a specific version of the One Ring card (there will be other versions too that have a more normal mythic rare distribution): Thematically, it makes sense: Its the One Ring
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Mox Amber: Mox Amber's ability adds one mana of the color of your choice from among the colors of legendary creatures and legendary planeswalkers you control
You just don't want to draw him in fast formats where you have to defend yourself
Ace (OP16-118) actually runs cheaper on the standard SEC print, around $12-13 on TCGPlayer, but his alternate art version flips the order, trading around $62, the highest single print among the two SEC Character cards
Even if you whiff on Amped Raptor, youre getting energy, and chaining one Raptor into another is just nasty
Balancing a competitive game is a nightmare for every developer and the challenges of game balance vary depending on the specific genre that needs to be balanced