Your search for "Professor Sycamore 019/021" revealed the following:
Professor Sycamore - 101/119 - Uncommon - Reverse Holo from XY: Phantom Forces, available at 401 Games Canada. Rarity: Uncommon Finish: Reverse Holo Artist: Yusuke Ohmura Card Text:Discard your hand and draw 7 cards.
Professor Sycamore - 101/119 - Uncommon from XY: Phantom Forces, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Yusuke Ohmura Card Text:Discard your hand and draw 7 cards.
Borg (019) // Clue (021) Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Edouard & Joel Chaim Holtzman Card Text:Clue: {2}, Sacrifice this token: Draw a card.
Professor Sycamore - 122/146 - Promo (Professor Program 2015) from Pokemon Professor Program Promos, available at 401 Games Canada. Rarity: Promo Finish: Reverse Holo Card Text:Discard your hand and draw 7 cards.
Professor Sycamore (Japanese) - 246/XY-P - Promo from XY-P: XY Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Yusuke Ohmura Card Text:Discard your hand and draw 7 cards.