Your search for "Poison Chain CSOC-EN053" revealed the following:
Poison Chain - CSOC-EN053 - Common - Unlimited from Crossroads of Chaos Unlimited, available at 401 Games Canada. Rarity: Common Card Text:During the End Phase of your turn, if you did not attack, your opponent sends cards equal to the...
Poison Chain - CSOC-EN053 - Common - 1st Edition from Crossroads of Chaos 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:During the End Phase of your turn, if you did not attack, your opponent sends cards equal...