Obstruction - Reveal: Place this card in any space in the arena.
Stuck: At the start of each round, if an opponent is adjacent to this card, you may replace a modifier in one space of one of their attack grids with a "-1" until the end of the round.
"Now the Valley of Siddim was full of tar pits, and when the kings of Sodom and Gomorrah fled, some of the men fell into them and the rest fled to the hills."
-NIV, Genesis 14:10