While three damage now and three damage later is attractive, the vulnerability to creature removal is a meaningful weakness that needs to be overcome
Its more of a reminder that the next spell will have extra effects attached to it
Alakazam also has the ability to move around damage that Pokmon have taken, as long as it doesn't result in a Pokmon being knocked out
For example, once Figure of Fable's second ability resolves, if it was a Scout when the ability resolves, Figure of Fable will be a Kithkin Soldier
While these ratios are likely to shift, and might even favor Clefairy in the long term, Mega Clefable still earns its spot as the more valuable chase card for now
However, since I have an easy-to-use training exhaustion, I thought it was quite strong just as a creature that keeps getting bigger every turn