Highway Reaver

Flying Start your engines! Whenever this creature enters or attacks, target creature card in your graveyard without unearth perpetually gains unearth. The unearth cost is equal to its mana cost. Max speed — You may pay {0} rather than pay the unearth cost of the first unearth ability you activate each turn.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o48l31we1pb1h3zr35wpd.