Ball Lightning [The Dark] Troll you may pay 4 life

you may pay 4 life rather than pay this spell's mana cost

Psychic Rarity: Promo Retreat cost: Colorless

−2: Target player sacrifices a creature

Set: Sun & Moon: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: 0

Set: Alpha Edition Type: Sorcery Rarity: Common Cost: {X}{1}{B} Spend only black mana on X

Ball Lightning [The Dark] Troll you may pay 4 lifeSet: The Dark Type: Creature Elemental Rarity: Rare Cost: {R}{R}{R} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Ball Lightning.