The reason why Wizards of the Coast used it over Partner is two-fold: first, it's flavourful, referencing the name of the group in the show
The fact that you can tap your creatures to cast this spell also allows for a sort of pseudo-haste when your mana is flooding
Atsushi, the Blazing Sky Chiss-Goria, Forge Tyrant Dragonhawk, Fate's Tempest Drakuseth, Maw of Flames Fang, Roku's Companion Fin Fang Foom Gadrak, the Crown-Scourge Ganax, Astral Hunter Inferno of the Star Mounts Khorvath Brightflame Lathliss, Dragon Queen Livaan, Cultist of Tiamat Ran and Shaw Rorix Bladewing Ryusei, the Falling Star Stet, Draconic Proofreader Tarox Bladewing Verix Bladewing
Like Coffers, Hardened Scales aims to beat up on Scam with artifacts and enchantments they will struggle to get off the battlefield and all of them compound the power of their creatures
You may only have one copy of "Beowulf" face-up on the field
Fans of classic Yu-Gi-Oh