The Scorpion God is a mythic Legendary Creature — God card from Hour of Devastation (HOU), collector number 146. Current market price: $0.69 (foil $5.84), TCGplayer market prices via Scryfall.
Whenever a creature with a -1/-1 counter on it dies, draw a card. {1}{B}{R}: Put a -1/-1 counter on another target creature. When The Scorpion God dies, return it to its owner's hand at the beginning of the next end step.