A lot of effects in this guild will care about the number of specific types in the graveyard, the raw number of cards, or specific abilities that only work if they are there
As a 25-year-veteran of Magic, I like the retro frame, but I want something special and unique
What makes Shroofus such a blast to build and play is that he turns anthems and pump spells into board presence with nearly unparalleled speed one-mana acceleration like Llanowar Elves or Elvish Mystic can have you attacking with Shroofus on turn 3 before most players have blockers and then every Saproling token that connects afterward only adds to the growing swarm
Pain for All, another new Edge of Eternities card, can create a similar combo
Cards like Hero of Iroas, Danitha Capashen, Paragon, and Jukai Naturalist help you cast plenty of auras