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Containment Membrane

Containment Membrane

{2}{U}Enchantment — Aura

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.

Official rulings

  1. The other spell that you or a teammate cast can be one that's resolved, one that was countered, or (for instants with surge) one that's still on the stack. (2016-01-22)
  2. For some cards, surge represents only an alternative cost, a discount that applies if you or a teammate has cast another spell this turn. Other cards, like Reckless Bushwhacker, have additional abilities or effects if you paid the surge cost to cast the spell. (2016-01-22)
  3. Containment Membrane can target and be attached to an untapped creature. It just won't have any effect until that creature becomes tapped. (2016-01-22)
  4. If an instant or sorcery spell cast for its surge cost is copied, the copy is also considered to have had its surge cost paid. (2016-01-22)
  5. Casting a spell for its surge cost doesn't change its mana cost or its mana value. (2016-01-22)
  6. The enchanted creature can still be untapped by other spells and abilities. (2016-01-22)

Cards like this

Functionally similar cards by meaning — playable in Containment Membrane’s colours.