Inferno Hellion

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of each end step, if this creature attacked or blocked this turn, its owner shuffles it into their library.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6odf9t9f37pb1hbbwjx16y.