Even if your opponent can remove it, unless they can exile it too itll just keep coming back every time you reach three Foods, making their eventual defeat all but inevitable
Let's Go
The DCI, as google tells me, is the governing body behind things like banned cards, restricted cards and the way that the competitive gameplay is governed, and the artwork (done by Maro?) is just a scribbled dude in a blindfold holding a mug of beer tossing darts at cards on a dartboard as a self-deprecating way to show off the "rigorous decision-making process" that the DCI uses to ban a card
Dealing with this combination at any stage would be frustrating, but it would be especially nightmarish for an opponent during the late stages of a match
If you want to play a Grixis Maestros deck that combines both Spellslinger and Aristocrats archetypes into a single cohesive deck, then Maestros Massacre is the deck for you
While it remains an excellent choice for players who enjoy an aggressive, tempo-oriented playstyle, the format's top decks have ultimately outpaced it in terms of efficiency, flexibility, and overall power.