Grill Dogs

This card may be used once a turn, it will heal a
card by 1, grant you one gold, and one mana.
But, after each use you must roll a D20. For
example, on your first use you have a 5% chance
to fail, the next a 10% and so on....
Failing a roll puts a permanent poison token on
your CC, and destroys this card.
"Its first documented use was in
The Mysterious Man."