Creature — Beast 4/4, 2GG (4)
Rare
Whenever Erithizon attacks, put a +1/+1 counter on target creature of defending player's choice.
Unlike scorpions, the erithizon isn't immune to its own weaponry.
Illus. Scott M. Fischer

10/4/2004: Erithizon's controller controls the triggered ability, but their opponent chooses the target.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Commander