Jophiel, High Preceptor

Flying, Vigilance
{t}{2}{x}{w}{w}: Exile target non-land permanent with {x} time counters on it. During the beginning of the permanent's owners end step, remove 1 time counter from that permanent. {x}cannot be {0}. When all time counters are removed, that creature returns the battlefield under your control. Jophiel cannot attack the turn you activate this ability.