Toxic Deluge
Sorcery
As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.
"Zemo insults me by tasking me with weaklings such as you. Even together, you pose no challenge." —Radioactive Man, Dr. Chen Lu
Illustrated by
Marvel Super Heroes Commander#161RareEnglishLegality
Rulings
Aug 7, 2020
All creatures on the battlefield when Toxic Deluge resolves are affected. Ones that enter the battlefield or become creatures later in the turn are not.
Aug 7, 2020
If you cast Toxic Deluge without paying its mana cost, you'll still choose a value for X and pay X life. This is because it doesn't have 
in its mana cost.