Voltaire, King of Bats

Flying
Bats you control have +1/+1 and Lifelink.
When ever Voltaire, King of Bats attacks, you
may exile this creature and create X 1/1 black
bat creature tokens with flying tapped and
attacking where X is Voltaire's power. Return
Voltaire to the battlefield under your control
at the beginning of your next end step.