The reason this card has been cut isn't quite as cut and dry as Crusade or Earthbind, but the leading theory among fans is due to the artwork being ableist
Instant (31) Brainstorm x3 Growth Spiral x4 Accumulated Knowledge x4 Frantic Inventory x4 Arcane Denial x4 Fog Moment's Peace x4 Tangle x3 Weather the Storm x4 Sorcery (7) Deep Analysis Lrien Revealed x4 Stream of Thought x2 Enchantkment (2) Land (20) Simic Growth Chamber x4 Tangled Islet Quandrix Campus Thornwood Falls x2 Ash Barrens Bojuka Bog Desert x2 Forest x2 Island x6 Sideboard (15) Counterspell x3 Dispel x3 Blue Elemental Blast Hydroblast Bojuka Bog x2 Murmuring Mystic x2 Jace's Erasure Keep Watch Return to Nature This decklist is a Pauper Turbo-Fog deck that made Top 8 at a Pauper tournament in September 2024
In addition to this, Wizards of the Coast didnt want to take the risk of the banning of Smugglers Copter not being enough to weaken Azorius Flash, and with Felidar Guardians release looming too there was a hesitance to let Reflector Mage be legal alongside it
Cards on the Game Changer list are generally on there because they do one or more of the following: Create a huge resource imbalance Slow the game to a crawl Have limited counterplay Cheat on mana to a degree that is hard to compete with at a casual level of play Remove the natural variance of a 100-card singleton format with efficient tutors that can assemble win conditions with ease Shut off cards, strategies, or elements of gameplay in a way that can be unfun For the full list of cards and reasons why the Commander Format Panel added them as a Game Changer, check out this article
This means you can hold up its colorless mana as needed, and then bounce it whenever you need to