With enough Humans on your battlefield, youll draw a heap of cards in a pinch
Most notably Hellboy and B.P.R.D
He gives your creatures with power two or less Skulk when they attack, and drains your opponents when they attack you with big creatures
Like most Magic: The Gathering cards, the value of Impeccable Timing depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Kaladesh)
You can also pull this combo by replacing the Herbalist with Ruin Ghost and then do this with any land that enters untapped and taps for W
Also, if your opponent has an Orcish Bowmasters, you instantly lose the game unless you can remove the Bowmaster at instant speed since the draw trigger isnt a may