Board stalls are a feature of the format, which means you'll often need some sort of board-breaker to push through
Slimefoot, Thallid Transplant does bring in a spellbook of many great fungi and saproling-related cards but does not meet criteria on its own
Many players use small six-sided dice for this purpose
Web Up Web-Shooters Wild Pack Squad With Great Power Amazing Acrobatics Beetle, Legacy Criminal Chameleon, Master of Disguise The Clone Saga Doc Ock, Sinister Scientist Doc Ocks Henchmen Flying Octobot Hide on the Ceiling Hydro-Man, Fluid Felon Impostor Syndrome Lady Octopus, Inspired Inventor Madame Web, Clairvoyant Mysterio, Master of Illusion Mysterios Phantasm Norman Osborn Oscorp Research Team Robotics Mastery School Daze Secret Identity Spider-Byte, Web Warden Spider-Man No More Spider-Sense Unstable Experiment Whoosh
This typically means that the first few turns are ours for the taking and we use that to set up for the late game