Giggling Skitterspike is a rare Artifact Creature — Toy card from Duskmourn: House of Horror Commander (DSC), collector number 39. Current market price: $13.00, TCGplayer market prices via Scryfall.
Indestructible Whenever this creature attacks, blocks, or becomes the target of a spell, it deals damage equal to its power to each opponent. {5}: Monstrosity 5. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.)