What are some effective agility exercises?

Some good exercises are;&Lateral Two Step with Mini Hurdles, Jump Rope, Mountain Climbers, Lateral Shuffle Agility Ladder Drill, Lateral Hurdle Hops, Slalom Agility Ladder Drill, Running with Speed Chute, Sprint Ladder Drill (One Foot In), Sprint Ladder Drill (Two Feet In), & Ladder Hops (Two In Two Out)