Card text
You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.

Secret Wonders is a set in the Diamond & Pearl series. It was released on November 1, 2007. The printed size is 132, and the checklist is the same length. Professor Rowan is 123/132, in position 123 of 132 on this checklist. Before it is 122 Professor Oak's Visit, and after it is 124 Rival. The listed rarity is Uncommon.
Professor Rowan is a Trainer card. The listed subtypes are Supporter.
Ken Sugimori illustrated this card. The same name is on 1,112 other cards in the catalog.
The card text says: You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. The card text says: Choose 1 card in your hand and shuffle the rest of your cards into your deck. Then, draw 4 cards. (If this is the only card in your hand, you can't play this card.)
I keep a set binder for Secret Wonders, meant to hold every card of that set. This card is one slot in the Secret Wonders set binder. I still need this card.
You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.
Choose 1 card in your hand and shuffle the rest of your cards into your deck. Then, draw 4 cards. (If this is the only card in your hand, you can't play this card.)
Secret Wonders, in the Diamond & Pearl series. It was released on November 1, 2007. The printed size is 132.
123/132. It is entry 123 of 132 in this checklist.
Ken Sugimori. The catalog lists 1,112 other cards with that illustrator.
Uncommon.