Est. Value
Pokémon TCG is the official Pokémon Trading Card Game from The Pokémon Company International, in which Trainers battle with their Pokémon and take a Prize for every Knock Out, and Professor Oak's New Theory (League Promo) is one of the cards in League & Championship Cards. This is a Trainer, which makes it support played from your hand: an Item used freely, a Supporter limited to one a turn, a Stadium that stays in play, or a Tool attached to one of your Pokémon. It is catalogued as number 101/123.
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You can only play 1 Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Shuffle your hand into your deck. Then, draw 6 cards.
Card type
Stage or kind
Rarity
Promo