Note how it says spell / trap cards and not spell / trap cards or effects
Many archetypes focus on LIGHT Blue-Eyes/Eyes with Blue, Artifact, Trickstar, PSY-Frame, and Fabled are five examples or DARK Dark Magician, Gravekeeper's, Destiny HERO, Tindangle, and Raidraptor are five examples
Search Terms When Looking for First Edition / Initial Print Cards in Japan Because the meaning of (Initial Print) is not standardized in Japanese listings, specify the exact version you are seeking: To search for English First Edition : Card Name + 1st Edition To search for Japanese 1ED : Set Name or Card Name + 1ED To search for Unlimited version : Set Name + (Unlimi) To search for early Japanese Old Back prints : Card Name + (Kyu-back No Mark) Do not judge by the word in the item title alone
From there, explore other avenues
On paper, this seems great
Fun fact: Skullclamp was supposed to give the equipped creature +1/+1, but then it was nerfed to give it +1/-1