The only thing keeping this card down is the lack of selection, but if more Onix or Golem cards are added in the future with worthwhile attacks, it could see better days in the future
The Future of OPTCG Collecting Looking forward, the market seems set to expand even more
For one, they dont know it is coming, and two, they cant dawdle if it comes paired with a reasonable clock
Some of the best cards to pair with Morophon, the Boundless include: Urza's Incubator stacks additional cost reduction effects for your chosen creature type Leyline of Mutation enhances your creature-type synergies even further Vanquisher's Banner provides both card draw and a power boost for your board Chronicle of Victory gives your creatures first strike, trample, +2/+2, and draws you cards 4
Bear in mind that each of these items is limited to one per player, meaning Yu-Gi-Oh