Spirit Shackle

Enchant Creature    (CMC:2)

Enchant creature Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.

74 ME3 • ENEdward P. Beard, Jr.

™ & © 1993—2009 Wizards of the Coast

Legal in: Legacy,Vintage,Commander

Oracle Text (click to copy):

10/1/2009
Spirit Shackle's ability triggers only when the enchanted creature changes from untapped to tapped. If Spirit Shackle enters the battlefield attached to an already tapped creature, it won't do anything (until that creature untaps and becomes tapped again, that is).