What the...?
1. Please bring valueable arguements when wanting a nerf. And no, that you don't like the card is not a valueable arguement.
2. Please link a picture of the card which you want to have nerfed. Like that:
[card]Silence[/card][card]Upgrade[/card][card]Silence^[/card]
3. Silence in arena decks will only block your hand for one or two turns, and often you couldn't have played anything anyway.
4. He uses several "card spaces" in his deck for silence which he could have used for other cards, so he uses "card space" and "3-2 quanta" to stop you from playing for one turn. I don't feel like that is OP in any way.
5. And the rushier your deck is, the less use silence is. And if your deck is a stall, it isn't really effective either.