Your search for "Painwracker Oni 136" revealed the following:
Painwracker Oni (CHK) from Champions of Kamigawa, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Hideaki Takamura Card Text:FearAt the beginning of your upkeep, sacrifice a creature if you don’t control an Ogre.
Painwracker Oni (Foil) (CHK) from Champions of Kamigawa, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Hideaki Takamura Card Text:FearAt the beginning of your upkeep, sacrifice a creature if you don’t control an Ogre.