The payoff's a little worse than some other goad commanders, since making a Clue token is weaker on average than just drawing cards
The real value depends on rarity, condition, and current demand and all three shift regularly
The third major set for trading card game Disney Lorcana, Into the Inklands, saw the arrival of another 200-odd cards into the game
Sure, you exile it, and that's sad, but that's three versions of the card if you sacrificed it, and two if you discarded it to something like Faithless Looting
Once I do, I will post the full picture they make on the back
The problem with clone effects is that you never want a lot of them in your deck