Illithid Predator

Illithid Predator comes into play with four
Control counters on it.
{u}{u}{u},{t}: Place a Control counter from Illithid Predator onto another target creature and gain
control of that creature for as long as a Control counter remains on it. When Illithid Predator
leaves play, remove all Control counters from creatures that had counters put on them with
this ability.