People are already aware of this combo, but despite this fact it's not that popular. When I played competitively in wild before, I rarely faced it. Only thrice and I managed to win thanks to Psychic Scream.
I doubt it will be that much of an issue. Even if you draw both of the two copies of a one of in the deck along with a mechwarper. You cant even start doing the combo before turn 10.
If you have ever played a combo deck. You should know that in most cases you have to dig very deep into your deck before finding all the combo pieces, so it will be rare to pull this combo of on turn 10, even with warlocks life tap.
It may very well create a new deck. But I really struggle to see how it will break the game in any way.
If Sn1p-Sn4p combos will be good, I doubt they will be from Warlock. Hunter has nice mech decks already, and Warrior can give their big boards rush. Mage might be ok too, as they can easily duplicate mechwarpers with spells.
But I am not too worried, the combos are stupid but I don't think they will not be consistant enough. Some very powerful AOEs like devolve, poison seeds and scream exist in the format too. The combo will only be strong if the magnetic mech towers can go face on the same turn.
9 mana huh? we already have that combo with zilliax, now that combo costs 7 in priest or 8 in mage, rather than 9 on warlock you don't need glinda. it's a 4 card combo TTK, can cost 5 mana as well if you reduce the combo pieces with galvanizer...
but it's wild we are talking about games in wild are over by turn 4.
Blizzard should make a special stream lessons or youtube videos in which they explain the the only way hs should be played is with supa dupa 1000 IQ control/combo homebrewed decks and 30 minutes long match is a minimum time period that proves you're not braindead blah blah something etc.