害（がい）獣（じゅう）の侵（しん）入（にゅう）{X}{X}{G}
Sorcery
Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."
A thousand years of history undone by one juvenile prank.
Artist: Brian Valeza