Enchantment — Aura, 1R (2)
Common
Enchant creature
Enchanted creature gets +1/+1 and has flanking. (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
Illus. Drew Tucker

10/4/2004: If the enchanted creature already has Flanking, its effect is cumulative.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander