The Adversary

Whenever The Adversary or another creature enters the battlefield, The Adversary fights up to one target creature your opponent controls. Legendary creatures gain undying (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner’s control with a +1/+1 counter on it.) {2}, Remove a +1/+1 counter from a creature you control, then draw a card. Any player may activate this ability.{flavor}“Is that another challenger? Finally. It’s been ages since I’ve had a good fight.”