Getting to "ping" for 6 and 5, or even just one of those is pretty significant, it will one shot a walker or a big threat or make a big dent to a life total
Shadow of the Enemy This is a really mean thing to do to someones graveyard deck
An extremely powerful effect that I probably don't have the patience to figure out exactly how many cards of what costs I need for it
Much of the removal in Modern Horizons is slow or clunky, so having a cheap, disruptive threat that synergizes super well with ninjas and blink while being outstanding by itself makes it a top tier common
Its going to be better than cards like No Witnesses most of the time while lacking any setup, unlike Split Up
however, post-release, the price has started to creep up a little on these decks from the pre-order price above from Wizards