Virulent Plague

• WWizards of the Coast2015-02-25
  Official Ruling
  If an effect creates a creature token that normally has toughness 2 or less, it will enter the battlefield with toughness 0 or less, be put into its owner’s graveyard, and then cease to exist. Any abilities that trigger when a creature enters the battlefield or dies will trigger.

Rulings via Scryfall