Dr. Strange, The Time Stone

Flying, Vigilance, Lifelink
Dr. Strange, The Time Stone enters the
battlefield with a +1/+1 counters on it.
{4}, {t}: Put a +1/+1 counter on Dr. Strange,
The Time Stone.
Remove a +1/+1 counter from Dr. Strange,
The Time Stone: It deals 1 damage to target
creature or player.
{4}: Unattach one target artifact from any
creature that your opponent controls.