Doom Weaver
From Crimson Vow Commander set
Doom Weaver
Creature — Spider Horror
1/8
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."