702.31b
A creature with horsemanship can’t be blocked by creatures without horsemanship. A creature with horsemanship can block a creature with or without horsemanship. (See rule 509, “Declare Blockers Step.”)
A creature with horsemanship can’t be blocked by creatures without horsemanship. A creature with horsemanship can block a creature with or without horsemanship. (See rule 509, “Declare Blockers Step.”)