243a0200_ne_Arena_Strategy___Blue_is_Me__Advantages
[Name] Stalker Lancer [Disadvantages] Immortals, Hydras, Goliaths and cracklings are good counters to it. Needs good micro-ing for blink. [Advantages] 
Good all around unit. With upgraded protoss shields and armor, can be hard to stop. Can attack ground and air. Don’t require a lot of upgrades from its mercenary base. Damage bonus against bio. Can use blink.
Starcraft 2: Marine Arena Strategy | Blue is Me
Advantages