Teferi's Honor Guard
4177d5bf-db48-4bbf-bbd4-ee6313031920
$0.50 CND
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
{U}{U}: Teferi's Honor Guard phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)