Vengeance is a Spell Card released on July 29th, 2013. It has no set Damage value, but deals the same amount of Damage as the amount of Creatures you have on the field. It is almost useless at the start of a match, but can be extremely deadly when used later in the game.
Type: Spell Card
Ability 1: X Damage
Ability 2: None
Special: X is the number of Creatures you currently have on the field.