"Assistant" variant of him, which is geared towards versatility, further reinforces it by boosting the Agility to 4 (at expense of lowering Combat), making him into fairly balanced fighter/evader investigator
He didnt realize in time, that this meant he could replace his Shatters with Disenchants, a mistake that would end up proving costly in a top 8 with Land Taxes and Sylvan Libraries
The Tabernacle ties up all your opponent's mana, assuming they have plenty of creatures out, forcing them to choose to either give up a bunch of their creatures in exchange for a spell or to keep as many of their creatures as they can at the expense of spending all their mana
Overall, Sporesower Thallid could see play in a casual Fungus-themed deck, but competitive decks may opt for more impactful options
Players typically allocate 30-40% of their deck to lands