Death Ray Onslaught

Sustained Casting: Exile Undead (You may pay the above cost to activate this spell again. This has no limit)
Deal {x} damage to all enemy creatures. For each creature destroyed this way, draw a card.
As the rotting corpses returned to their graves, our minds began to panic, we did not do this. But she may have, and I think the great shadow bolts around her proved this.