Electro, Assaulting Battery [SPM - 76]

Flying
You don't lose unspent red mana as steps and phases end.
Whenever you cast an instant or sorcery spell, add R.
When Electro leaves the battlefield, you may pay X. When you do, he deals X damage to target player.

Rarity: Rare

#: 76

Card Type: Legendary, Creature, Legendary Creature — Human Villain

Card Color: R

Casting Cost: {1}{R}{R}