She is a new CR and definitely worth hanging onto - especially if you ever play Junkz, as she is a great DR for 2 stars. Her value will go up slowly because she has been around a long time and is only a common, but it will go up making her more valuable the longer you hold onto her
You need good card for LD? Keep
You need money for deck upgrades? Sell
You dont know how to invest? Keep
You know how to re-invest effectively? Sell
You want to playe with Veenyle Cr? Keep
Clintz or Veenyle Cr's play value or her long-time profit? (there is no short-time profit because she is common.)
Choises... Choises.... Choises....