The Scarab God is a mythic Legendary Creature — God card from Hour of Devastation (HOU), collector number 145. Current market price: $5.19 (foil $17.22), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, each opponent loses X life and you scry X, where X is the number of Zombies you control. {2}{U}{B}: Exile target creature card from a graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. When The Scarab God dies, return it to its owner's hand at the beginning of the next end step.