Lolth, Spider Queen is a mythic Legendary Planeswalker — Lolth card from Adventures in the Forgotten Realms (AFR), collector number 112. Current market price: $4.72 (foil $6.83), TCGplayer market prices via Scryfall.
Whenever a creature you control dies, put a loyalty counter on Lolth. 0: You draw a card and you lose 1 life. −3: Create two 2/1 black Spider creature tokens with reach and menace. −8: You get an emblem with "Whenever an opponent is dealt combat damage by one or more creatures you control, if that player lost less than 8 life this turn, they lose life equal to the difference."