Any idea regarding the printing and materials quality of the cards

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What you're getting
place 1 "Abyss Actor" Pendulum Monster from your Deck in your Pendulum Zone, also for the rest of this turn, you cannot Special Summon monsters, except "Abyss Actor" monsters, nor activate the Pendulum Effect of "Abyss Actor - Extras"
and comments
They tend to have Firebreathing, they often shoot down creatures by dealing damage to them directly, and have other game-changing effects