Limited selection (perhaps 500-1,000 graded Pokmon card listings at any time, heavily skewed toward modern cards)
Avacyn eats removal consistently, so shes not quite as good as the card I want to name: Serras Emissary
The deck would lose some consistency, but you gain so much more explosiveness and resiliency that it would be an easy inclusion, especially when combined with Lurrus of the Dream-Den
It can't be the target of the reflexive ability created by Kishla Trawlers's triggered ability ("When you do, return target instant or sorcery card from your graveyard to your hand.")
Cost reducers like Herald's Horn, Urza's Incubator, and Patchwork Banner not only make it easier to cast your spiders, but they also make sure theyre stronger once they land
While this one-sided board wipe effect is already potent in its own right, Toxrill creates a 1/1 slug token whenever a creature with a slime counter on it dies, even allowing slugs to be sacrificed and converted into card draw