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I am surprised that Scizor is not considered as a check / counter of Necro DM with Pursuit / Knock Off. He can enter without suffering great damage before him and take advantage.
Another example can be Dialga as Check / counter of Zygarde with Shuca + DPulse or DMeteor. It's a little risky but...
Steelium Zyg & MMawile.
https://pokepast.es/c77fd735827494c0
● Zygarde is a complete mon where you can stand out with different set. I like that he left for this occasion. Well, it does not have much explanation, it's his DD offensive set but with Steelium and Iron Tail for the fairies...