Its slow and inefficient in some decks, while its a good stabilizer in others
Cards like Cloud, Ex-Soldier, Gilgamesh, Master-at-arms, and Firion, Wild Rose Warrior, are great at pulling out the best of Equipment, boosting creatures to a ridiculous degree
Terra, Magical Adept / Esper Terra Terra, Magical Adept starts by milling cards and fishing up enchantments, then it flips into Esper Terra to unleash saga-like chapters of value
While there are plenty of normal cats in Magic, there are also quite a few cat hybrids like cat dragons or elemental cats
Conclusion Did you see any cards here you'd play in your upcoming decks
Note that the Germ being created and the attaching of the equipment all happens as part of the resolution of a living weapon trigger, so there's no time between when the ability resolves and when the equipment becomes attached in which players can interact with the Germ token