Skittering Invasion is a uncommon Kindred Sorcery — Eldrazi card from Rise of the Eldrazi (ROE), collector number 10. Current market price: $0.51 (foil $11.99), TCGplayer market prices via Scryfall.
Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."