To fix this and make collecting easier, we outlined some potential changes
Ugin and Jace stripped the dragon of all names, memories, spark, and any power he may have had and trapped him within his own Meditation Realm
Putrid Goblin comes back to the battlefield with no counters on it, and you can sacrifice it again and repeat this process indefinitely
Overall, I think that Commander Masters has a lot to offer, even though I have my own personal nitpicks with some of the card choices and the accessibility of the product
However, I think it would be safer for Wizards of the Coast to use it a little more sparingly than they have of late
You had to keep track of what got played on each turn and you had to check which cards were supposed to transform at the start of each new turn