For Mew ex decks without an accelerator, cards that discard energy such as Beedrill ex and Team Rocket Grunt may be an effective way to prevent it from using Genome Hacking
just grab two boosters, shuffle them together, and youre ready to go
Some of the time itll just trade with whatever an opponent throws in front of it, but at that point, youre often happy you got to use it as removal
This situation grows exponentially too, because making two zombies means that the first one is a 3/3, and storming off gives you a small army of Zombie tokens
How Many Cards in an MTG Commander deck
Thawing Glaciers and the fixers have some caveatsI mean, you have to be in the colors for your duals and suchbut they are worth it every time