it quite literally makes your token generators twice as powerful
This said, both cards are currently banned in Legacy, and they are both brokenly powerful on their face, so my guess would be that they were simply too good for Standard, rather than being part of a specific oppressive combo
James, Wandering Dad Weve come a long way from the days of Stroke of Genius being among the more powerful draw spells, and making Clues instead of drawing is weaker absent any synergies, but a 2/4 body that generates mana to crack Clues and get up to other ability-driven shenanigans does help James, Wandering Dad enter the Cube conversation even in 2024
A flexible artifact removal spell that can also steal from the top of an opponent's library seems bonkers to me
Note that this works for tokens without decayed as well
The charm of a naga is undeniable