To be fair its kind of nice versus Illusions of Grandeur, but no one plays that card
Other requirements include enough characters and monsters that can make small, medium and large creatures or can fit Magic staples like flying creatures, which are important for supporting play environments like drafts
Even if we were doing Winding Constrictor shenanigans, this is just too slow and ineffectual
While one copy probably won't break the bank, for a mere uncommon it's now very expensive, up there with the best removal uncommon removal cards of recent years
Its not restricted to dwarves or any creature type, which is appreciated
If a card copied by the token had any "when [this creature] enters the battlefield" abilities, the token also has those abilities and will trigger them when it's created