That works very well in many contexts, including GU decks that copy creatures with good enter effects, white token makers, or black Nekrataal-like creatures, just to cite a few
Hell, you can even just cast it in your main phase to exile an opponents counterspell when youre setting up for a big turn
However, I would say that the two most glaring points that make Pauper unique are: A Pauper deck may only include cards that have been printed at Common rarity at least once

Cards With Bestow With some fresh, new additions from Modern Horizons 3 , here is a complete list of all the cards that are ready to bless your creatures with the strength and protection of the Gods: Baleful Eidolon Boon Satyr Cavern Lampad Celestial Archon Chromanticore Crystalline Nautilus Detective's Phoenix Eidolon of Countless Battles Erebos's Emissary Everflame Eidolon Flitterstep Eidolon Ghostblade Eidolon Glyph Elemental Gnarled Scarhide Heliod's Emissary Herald of Torment Hopeful Eidolon Hypnotic Siren Indebted Spirit Kestia, the Cultivator Leafcrown Dryad Mogis's Warhound Nighthowler Nimbus Naiad Noble Quarry Nylea's Emissary Nyxborn Eidolon Nyxborn Hydra Nyxborn Rollicker Nyxborn Shieldmate Nyxborn Triton Nyxborn Unicorn Nyxborn Wolf Observed Alseid Purphoros's Emissary Sightless Brawler Spearpoint Oread Spirespine Spiteful Returned Springheart Nantuko Thassa's Emissary Trickster's Elk Triton Wavebreaker What's Next For Bestow
Being an instant makes all the difference here
Its doable with dry erase tokens though, Ive just been postponing this brew to focus on other things