Haunted One [CLB - 654]

Rarity: M #: 654 Creature Type or Sub Type: Legendary Enchantment — Background Rules Text Contains: Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (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.)