Unforgiving One

Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6omrbngm3ppb1hai8hb51o.