Nice. Finally a card that’s creative in its effect.

Soo.. yeah, while the original effect did seem a bit overpowered (maybe reduce it to just one minion), it would now be a useless card.
 
This is basically a Faceless Manipulator.  
With less base stats. (not that that really matters)  
For one extra mana.  
And an extremely easy way to nullify it.
 
While yes, this effectively lets you copy something like an opponent’s dragon or giant while also gaining a really low stat minion, unless you have some way to bounce this card back into your hand, it is very underpowered. As I said before, one extra mana for an easily nullified Faceless Manipulator.
 
Not to mention, if you can bounce this card back into your hand, would that count as ‘destroyed or silenced’? The card is no longer in play, so that would have to be clarified. If it does count, then yes, this card would be worthless. If not, it’s situationaly good, but you’d have to build your deck around that combo. And since it’s a legendary, you can only have one in your deck. Meaning you’ve got a very low chance of drawing it when it would be worth using (that is, when your opponent has a minion worth copying, and you also have the cards you’d need to bounce it back into your hand).
 
For starters, I’d up the health, so that it’s a bit harder to get rid of. Otherwise, opponents will just ignore the copy, and target this card with whatever means they have, and 2 health is low enough, nearly anything will kill it. I’d also remove the silence condition, otherwise it’s just laughably easy to counter.

This looks cool :)

I didn’t get to see the original, but yeah going off the description, it looks really powerful. Then again, playing off of canon, her Battlecry would be even more OP:
 
“Duplicate all minions on the opponent’s side of the board.”

What the …  
Not sure if changing the image AFTER a lot of people commented on it is really fair, because now the comment section don’t make much sense.

even the battlecry alone is already really strong. But you added a combo part? I think it’s too powerful.

Tell yea what though, I would of loved this last night when I could of won if I had been able to break a taunt wall. This would have cleared that right up.
 
Seriously fought a mage in arena that had enough cards to outlast any removal I could throw at it.

@Perteks  
I know that game, and I can confirm this is one of the most blatantly OP “fan made” card I have ever seen (which is quite a feat).

I don’t know that game and I see its OP :D

@PonyPon
 
While in the hand works, and yea the combo makes it way overpowered.
 
Combo that off a chump block like an annoyatron, pop your opponents two strongest minions, then throw them down the next turn. OP as hell. It’s basically doing in one card (plus a combo) what would otherwise take 4 or 5.

@Background Pony #85A7  
You know what they say about fairies and dragons.

Ancient of lore is 7 mana draw 2 cards. Dark bargain is 6 mana destroy 2 random minions, discard 2 cards. If you keep in mind combined cards are generally stronger than 2 separate cards to accomplish the same effect this is an incredibly powerful card.  
This girl could compete with the big dragons such as Queen Alexstrasza and Ysera.

@Zincy  
I’ve never liked that effect because the most convenient time to actually use it would be after you opponent’s turn, but the cost always resets when that’s over.
 
So like, costs one less for every friendly minion destroyed while in your hand?
 
And no combo?

@PonyPon
 
Yea, like 12 or 14, and tick down with friendly minion death in the turn.
 
That thing is basically double assassinate with a two card draw combo.

@JetstreamGW
 
It should work like giants, and have an impossibly high mana cost that can be brought down by a specific function. Maybe number of friendly minions that died that turn.

@Zincy  
You think it should be higher?

@Zincy  
To say nothing of the combo.

No way a battlecry like that would be at 6 mana.