0: Exile Kaya, Ghost Haunter haunting target creature for as long as that creature remains on the battlefield. −1: You get an emblem with, "At the beginning of your upkeep, this emblem deals 3 damage to the owner of target haunted creature." −2: You get an emblem with, "At the beginning of your upkeep, gain control of target haunted creature for as long as it remains haunted."
