Containment Membrane - Oath of the Gatewatch - 52

Enchantment — Aura

Mana Cost: {2}{U}

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.

Common · Oath of the Gatewatch · #52 (OGW)

Illustrated by Daarken