Containment Membrane is a common Enchantment — Aura card from The List (PLST), collector number OGW-52. Current market price: $0.14, TCGplayer market prices via Scryfall.
Surge {U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Enchant creature Enchanted creature doesn't untap during its controller's untap step.