Topplegeist (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Seb McKinnon
• Card Text:
  Flying
  When Topplegeist enters the battlefield, tap target creature an opponent controls.
  Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.