Nyx Weaver is a uncommon Enchantment Creature — Spider card from Commander 2020 (C20), collector number 226. Current market price: $0.33, TCGplayer market prices via Scryfall.
Reach At the beginning of your upkeep, mill two cards. (Put the top two cards of your library into your graveyard.) {1}{B}{G}, Exile this creature: Return target card from your graveyard to your hand.