Whenever a player successfully knocks out one of their opponents Pokmon, they can take one of their six available prize cards, with the other player needing to put another Pokmon card into their active slot
She also has a mana ability that costs the same as her casting cost (3G, 1C), which creates X 1/1 Squirrel creature tokens where X is the number of Squirrels you control
Furthermore, it can be used during almost every turn, as it is usually banishing itself to gain access to its effect
which just so happens to be the equip cost for some of the strongest Equipment cards ever printed: Sword of Feast and FamineSword of Feast and Famine, Sword of Fire and IceSword of Fire and Ice, and Sword of Light and ShadowSword of Light and Shadow
If you dont own some of the more expensive cards in my list, then many of the above are fine replacements
#3 1st Edition Shadowless Base Set Blastoise There are only 100 PSA versions of this card, and that, coupled with the massive popularity of the character from the original series, is enough to Blast him into the top 3