Simple, effective, versatile removal for Sapphire
Inspiring Leader and Popular Entertainer are both great here, but Guild Artisan can also work depending on the angle you go with in deckbuilding
Brimaz, King of Oreskos Brimaz, King of Oreskos creates Cat Soldier creature tokens when it attacks or blocks
I think this works in Up the Beanstalk decks in Standard, maybe Pia Nalaar, Consul of Revival decks, but probably in no other context in 60-card formats
One last point in Yawgmoths favor: if you cant win the game with two undying creatures and Yawgmoth, you can simply draw as many cards as you can pay life for
But some instants or sorceries are really showing their age, and some were never very good to begin with