Abraham Van Helsing - Savior of Ollenbock (VOW-330) - Innistrad: Crimson Vow / Abraham Van Helsing (Borderless)

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)
Whenever this creature trains, exile up to one other target creature from the battlefield or creature card from a graveyard.
When this creature leaves the battlefield, put the exiled cards onto the battlefield under their owners' control.