I'm playing sPvP. Enemy spotted, I start attacking him with a basic ranged attack, which spawns a clone next to the enemy. As he prepares to lunge a powerful attack at me, I activate a block skill, which summons another clone. I switch to the greatsword, and go in melee range, while also summoning a melee phantasm to engage him at the same time. My health goes down a bit, I use the sword's knock back ability and send the opponent flying backwards, switch to ranged, summon a ranged phantasm. Enemy gets backup, odds are not looking in my favor. I dodge sideways, avoiding a spell, which spawns a clone at my dodging location. I then activate a stealth skill, which creates another clone at my location. After I heal up, I re-engage. I summon a clone that take 50% damage for me, and engage in melee. I turn one of opponents into a Moa Bird and hack away at him (while the 2nd enemy is engaging some of my clones - they are all named 'Which One Am I', taunting the enemy hahaha). As the bird tries to escape, I teleport next to him, use knockback to send him into a deadend, and finish him off.
If you like to wreck chaos in the battlefield and confuse the enemy, mesmer is a great class.Yes, it is obvious sometimes who the player is and who the clone is. The point is to overwhelm the enemy with clones, and just a few seconds of confusion will make them lose track of where you really are. It's such a fun class.