Orcus, Prince of Undeath (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos]

Flying, trample
When Orcus, Prince of Undeath enters the battlefield, choose one —
• Each other creature gets -X/-X until end of turn. You lose X life.
• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.