Savior of Ollenbock

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.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o4k0c25jdpb1hmzcp9und.