Offensively, these are only strong against Fighting and Poison, and have weaknesses to Bug, Ghost, and Dark
Valakut Exploration is one Ive come around to more recently, and it works especially well if youre running the BAE with a full complement of fetchlands and other ways to get extra lands hitting play each turn
(This is the general rule, but there are cards in the tabletop version of the game that allow you to swap it around.) Here are the effects of all three Pokmon Tool cards in TCG Pocket: Lum Berry : At the end of each turn, if the Pokmon this card is attached to is affected by any special conditions, it recovers from all of them, and discard this card. You can use as many Pokmon Tool cards as you want per turn, but you can only use one Tool card per Pokmon
It's a decent addition to the Pokemon TCG Pocket array of meta-breaking cards, that, in the hands of a skilled Electric-type player, can cause tons of damage faster than the time it takes for rivals to come up with a decent counter strategy