Well, depending on the situation and your opponent, it usually ends up on the same dilemma as Soul Partition, even if the exiled card is from the hand
McDonalds Dragon Discovery Pokemon TCG Promotion Launching in the United States This Month
The flavour text is particularly fun for this one, taking the form of the report of a confused soldier being creeped out by how consistent the eyewitness accounts are for the strange descriptions of the Mistfolk
Many of these come from promotions, especially those released in conjunction with businesses like McDonald's or Toys-R-Us
Assembled in Japan: Electrical Goods and the Making of the Japanese Consumer
There's no limit on this, and where this is a problem is that anyone draws the cards, not just you, so this is strongest in decks that have self-sacrifice engines like Vampiric Rites