it has so many weakness:(steeswarm), relay on backraw if go 1st, easy side deck to counter them: Necrovaley, dd crow, lancea,...
*onomat tier 1, the rest are rogue deck.
If you go first, you most likely won't expect your opponent to open with RDA and RDA Bane on board, so good luck taking that out with stuff you usually play turn 1.
If you go second, hopefully you get the cards you need to get rid of 2 3k+ beaters.
Again, it's still stupid even if the deck has weakness. Just because something has weakness doesn't make it not broken.
Power creep.
If you look at the current meta tier 1&2 in this site, you will notice it consist of decks that had quick effect which consistently disrupt opponent turn.
Sure resonator has doomcaliber knight, but king wildwind still a priority for a followup play, and staple card can't be searched to be consistent.
And it being tier 3 doesn't mean it is a bad deck, btw. It still good.
Can people stop talking about side decks. It is only for losers who host these tournament for this useless rules because they couldn't make it to worlds and decide to host their own. Bunch of these idiots has never won YCS or KCGT throughout their damn life and only to make side deck rules to fill their empty heart because they got rekt. Therefore, any tournaments that is not Konami is not qualify
Resonators are not really strong by themselves, the need 3 book of moon and treacherous to be top. I have all the card except BoM and if the opponent have roach you lose. And if you have scholding the opponent have 100% MST!