This means that, while you're often going to evoke this while tapped out to keep a pesky threat, like an opposing commander, off the board, you can also just play this to eat a smaller creature that foolishly strayed into combat thinking you had no blockers
(Saw it Coming, Fateful Absence, Werewolf Pack Leader) 5 - Format warping
The main categories of high-value MTG cards: Power Nine: Black Lotus, Ancestral Recall, Time Walk, Timetwister, and the five Moxes (Jet, Sapphire, Ruby, Emerald, Pearl)
That's where you open up some booster packs (usually six of them) and build a Magic deck from the cards in those booster packs (plus basic lands)
Also, you get a copy of your opponents best option, which just adds a little extra sting to the proceedings