So, Aaron Forsythe asked, "What if we had more than one?" Picking between just two felt strange, and once we got to three it was clear things were plenty complex and that we didn't need a fourth
Once you have one or two of these token-doublers out, you can swarm the board with cards like Secure the Wastes and Martial Coup
Its mostly dependent of the metagame, but its a good call in current Standard where you need to deal with impending Overlords, class enchantments, room enchantments, and threats like Sheoldred, the Apocalypse
One could argue that Wilds of Eldraine, with cards like MTG 's Blossoming Tortoise, Armory Mice, Frolicking Familiar, or a merfolk-inspired version of Rhystic Study, is precisely this type of set, and that's true
Worst of all, other Saproling cards that deal in counters make spore counters, not fungus counters