cheap yugioh structure decks Yu-Gi-Oh! TCG: Dark World Deck – Toy Mandala Beaux Level 8 monster with 3000 ATK can Special Summon itself from the Graveyard (GY) simply by returning a Level 7 or lower Dark World monster from your field to your hand Yu-Gi-Oh! - Trading Cards -

You can also use the effects of Riseheart again to banish Big Bang

To understand the history of TCG releases more clearly, you can also check out when did Pokemon cards come out for helpful context

Standardized grading: Grading companies use consistent and widely accepted grading standards, making it easier for buyers and sellers to understand the condition of a card

Japanese Pokemon cards use a rarity system that looks familiar on the surface C, U, R, SR but adds a whole second tier of modern rarities (AR, SAR, UR, MUR, CHR, CSR) that dont map cleanly to the English Scarlet & Violet system most Western collectors learned first

Do your own research, dive into the market, and most importantly, enjoy the process