Æther Storm

Oracle Text

Creature spells can't be cast.

Pay 4 life: Destroy Aether Storm. It can't be regenerated. Any player may activate this ability.

Card Rulings

10/4/2004 This does not stop a creature card from being put directly onto the battlefield by a spell or ability.
8/1/2008 Affects any spell with the type creature, including those with other types such as artifact or enchantment. This includes older cards with “summon” on their type line.