Alpha Deathclaw [Fallout]

Set: Fallout Type: Creature — Lizard Mutant Rarity: Rare Cost: {4}{B}{G} Menace, trampleWhen Alpha Deathclaw enters the battlefield or becomes monstrous, destroy target permanent.{5}{B}{G}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)