Clay Golem (AFC) from Forgotten Realms Commander, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Andrey Kuzinskiy
• Card Text:
  6, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
  Berserk — When Clay Golem becomes monstrous, destroy target permanent.