Ball Lightning [Masters 25]

Set: Masters 25 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. The most frightening storms are those not woven by nature's hand.