Sure enough, powerful black midrange decks are exactly where this room card is seeing play

Master Duel o m " Synchro " Members " Accel Synchro Stardust Dragon " " Accel Synchron " " Assault Synchron " " Bri Synchron " " Changer Synchron " " Clear Wing Synchro Dragon " " Clear Wing Synchro Dragon, Four Heavenly Dragons " " Crystal Clear Wing Over Synchro Dragon " " Crystal Clear Wing Synchro Dragon " " Crystal Wing Synchro Dragon " " Cyberse Synchron " " De-Synchro " " Drill Synchron " " Fleur Synchron " " Formula Synchron " " Harmonic Synchro Fusion " " Hyper Synchron " " Jet Synchron " " Junk Synchron " " Kewl Tune Synchro " " King's Synchro " " Meklord Emperor Wisel - Synchro Absorption " " Miracle Synchro Fusion " " Mono Synchron " " Necro Synchron " " Necroid Synchro " " Nitro Synchron " " One-Way Synchro " " Performapal Odd-Eyes Synchron " " Quickdraw Synchron " " Revolution Synchron " " Road Synchron " " Rokket Synchron " " Satellite Synchron " " Scrap Synchron " " Speedroid Wing Synchron " " Stardust Synchron " " Starjunk Synchron " " Steam Synchron " " Supreme King Z-ARC - Synchro Universe " " Synchro Barrier " " Synchro Boost " " Synchro Call " " Synchro Change " " Synchro Chase " " Synchro Control " " Synchro Cracker " " Synchro Creed " " Synchro Deflector " " Synchro Dilemma " " Synchro Ejection " " Synchro Emergency " " Synchro Fellowship " " Synchro Forceback " " Synchro Fusionist " " Synchro Gift " " Synchro Magnet " " Synchro Material " " Synchro Overtake " " Synchro Overtop "

In both cases, this is a text-changing effect
Monster Tokens may be used as Tribute or material for Special Summoning methods (except Xyz Summon, as Xyz Materials are not treated as being on the field), but cannot be used to pay any cost that involve a monster moving to a specific location (they can be banished, as the banishment is not considered a location, but will still disappear permanently since they are leaving the field)
Legendary Creature - Human Rogue Nimble Trapfinder This creature can't be blocked if you had another Cleric, Rogue, Warrior, or Wizard enter the battlefield under your control this turn