Rotom - 5/17 - Shattered Reverse Holo from POP Series 9 Promos, available at 401 Games Canada.

• Rarity: Rare
• Finish: Reverse Holo
• Artist: Masakazu Fukuda
• Card Text:
  Poké-POWER — Type Shift
  Once during your turn (before your attack), you may use this power. Rotom's type is Psychic until the end of your turn.
  [1P] Poltergeist (30+)
  Look at your opponent's hand. This attack does 30 damage plus 10 more damage for each Trainer, Supporter, and Stadium card in your opponent's hand.