Japanese Pokemon cards often feature unique artwork, superior print quality, and exclusive sets not available in English
Other, similar versions of Cleffa in the Pokmon TCG have had similar abilities to either shuffle the hand into the deck and draw new cards or simply draw more cards, but without the added benefit of opponents being unable to damage Cleffa
So if you read my review of Charizard, you'll know that I thought it was an above average Basic Pokemon card and a solid starter type Pokemon for a fire type deck, I recommended using that card with 4 Burning Energy cards, thus allowing Charmander to do 30 damage every turn without having to add any additional energy cards to it
The rise in popularity of the Pokmon Trading Card Game has led to an unfortunate increase in counterfeit cards flooding the market
Aside from being a powerhouse with 3000 ATK/2500 DEF, immunity to targeting and destruction effects, and having built-in effect negation theres one more effect you might want to use here
Champions of Kamigawa would have two monocolor cycles, one at uncommon and one at rare