It's run in a huge variety of decks (more than 50k on EDHREC!), not just Snow builds, and thus deserves its spot on our list
While you wont look unique, anti-slip materials and hassle-free shuffling will improve your sleeper build
Raise At the beginning of your end step, if you gained life this turn, return target creature card from your graveyard to your hand
The Black one is a 2/2 for 2 that gives our leader lifelink, which feels pretty strong here with deathtouch, indestructible, and other things
Abolish is happy to take one of them off your hands to destroy a problematic artifact or enchantment
Craterhoof Behemoth and other Overrun effects can end the game and you can use cards like Freyalise, Llanowar's Fury and Shamanic Revelation to draw a bunch of extra cards, but those are incredibly generic and dont reward you for making a bunch of spiders