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.
You'll draw only one card when a creature with more than one -1/-1 counter on it dies.
14 Jul 2017
If a creature with a -1/-1 counter on it dies at the same time as The Scorpion God does, you'll draw a card. The same is true if The Scorpion God dies with a -1/-1 counter on it.