Twitching Doll 
Artifact Creature — Spider Toy
: Add one mana of any color. Put a nest counter on this creature.
, Sacrifice this creature: Create a 2/2 green Spider creature token with reach for each counter on this creature. Activate only as a sorcery.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL