It not only circumvents spells like Heroic Intervention and creatures like Avacyn, Angel of Hope, but it also permanently weakens survivors without causing life loss, unlike Toxic Deluge
And I dont want brush strokes showing so I put a few drops of the medium on and them brush it top to bottom and then side to side over and over
however, it has an eye watering, in-game Ink cost of 8
There's also always the risk of not having enough follow-up to the Wire, or facing opponents who can cast their spells during upkeep, but often that is worth the risk
Author of Shadows is a card that people piloting reanimator decks will find massively annoying
I might add a few more creatures with enters-the-battlefield triggers (definitely dealers choice here), to take further advantage of this playor just add Panharmonicon