rare mewtwo ex pokemon card is a Amazon.com: Mewtwo-EX Team Rocket's Mewtwo EX Ultra

Given that the eventual payoff is potentially a lot of free cards, that sounds good in any blue deck

some effects reference it

(Buttercup, Provicial Princess) (The Princess Bride) Secret Lair Drop Foil - Borderless - #SECRET_SLD_1444 Magic: The Gathering Sisay, Weatherlight Captain (Buttercup, Provicial Princess) (The Princess Bride) Secret Lair Drop Foil - Borderless - #SECRET_SLD_1444 Magic: The Gathering $89.99

A serialized card is a variant distinguished by a unique, printed number (e.g., 001/500) that identifies its specific place in a limited print run

The Dredge deck uses all colors but white to rapidly develop an aggressive, death-resistant board state that can keep assaulting the opponent until they're ground down

I will say that Compy Swarm suffers a lot for being green, given that Sacrifice themes dont always go into green, so your Golgari deck will more often rely on killing your opponents creatures to double your Compy Swarms