You beat me to it. If I played Dungeon & Dragons I would most likely create an evil wizard class character named Vortex Of Death.
More to the point it would be a Level 9 spell.
Vortex of Death
Casting time: 2 rounds
Range: Line of sight
Damage: Lvl*D20 + INT
Area of Affect: 5yd radius * Lvl
Do not meddle in the affairs of Wizards for they are subtle and slow to anger.