Inspired Sphinx Sphinxes often dip into the world of artifact synergies, as evidenced by Inspired Sphinx
Basically, we've reached the point where any Magic carddown to Expeditions , Inventions , and other Masterpiece -series cardscan be counterfeited, and with the cost of real Magic cards on the rise, especially in older formats, there is a huge incentive for the counterfeiters to hone their craft and make their fake cards as realistic as possible
This is an incredible card for generating mana, and it can easily conclude a game thanks to loops created by Commanders being recurrable after they die
Activating that rat-doubling ability requires a sacrifice, unlike Krenko, which works well for a mono-black death strategy and pairs nicely with the rats that are good sac fodder or sac and death payoffs
Tuvasa the Sunlit offers similar pressure, though it sees less play due to its restrictive color identity
The play is fun, rewarding, and pretty consistent if you use your draw cards