Professor's Research card text said:Discard your hand and draw 7 cards.
The card includes a special promotional code that can be used at Niantic's Offer Redemption website. It will give you access to a Special Research in Pokémon GO during July, where you'll be able to encounter the Mythical Pokémon Meltan and earn items.
You can receive this Professor's Research card if you purchase Pokémon GO products at the Pokémon Center Online website. Starting soon, Trainers who complete researches in Pokémon GO and tasks at Pokémon League events will also receive Professor Willow's card while supplies last.
The Professor’s Research card featuring Professor Willow comes as a gift with purchases and includes a code for Special Research.www.pokemon.com