Brand of Ill Omen

Enchant creature
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Enchanted creature's controller can't cast creature spells.

"Let those who bear the brand receive no shelter, no kindness, and no comfort from our people." —Lovisa Coldeyes, Balduvian Chieftain