darkness ablaze card sleeves ETB - Eternatus V sealed inside a protective cardboard sleeve Pokemon Sword & Shield Darkness

Though not an official keyword ability, it was implemented and given a name on Magic: Arena in 2020

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However, considering the complete dominance of Chaos in the meta, including answers in the maindeck seems a very reasonable choice

Ill also never forget the ear-piercing screams or the image of my four-year-old brother flailing his arms and legs through the air as my father carried him from the theater to our car without Pokmon cards in hand

Remember, your goal is to overpower the opponent with sheer card advantage and summoning power, never forget that