Doom Weaver is a rare Creature — Spider Horror card from Crimson Vow Commander (VOC), collector number 72. Current market price: $3.35, TCGplayer market prices via Scryfall.
Reach Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."