Bearington

Curse of Bears—Whenever an opponent says the word "Bear" or any word or phrase that sounds like it or is related to it, create a 2/2 green Bear creature token. Then CARDNAME fights it.

When CARDNAME dies or is put into exiled from the battlefield, exile it and create a 2/2 green Bear creature token. Return CARDNAME to the battlefield under its owner's control at the beginning of the next end step.