These are persistent across expansions and pack types , so you'll accumulate them over time no matter which packs you're opening
Online I see: Perhaps the most obvious way to tell is if your card is shadowless is if the bottom of the card says "1995, 96, 98, 99 Nintendo Creatures...." If the card has the year "99" at the bottom, then it is shadowless
Last Request: Bruno/Antinomy begs Yusei to save Z-One and the future right before he sacrifices his life to save Yusei from the Black Hole
Then you can flip him when you control at least four Wizards like him and tokens and others too and then that creature type will double their damage
One of the most important bits of that order might be the daily sacrifice of a thousand souls to the God Emperor, but it's a small price to pay to maintain communications and travel routes throughout the intergalactic manmade empire
Umbreon Gold Star, POP Series 5 #17/17 (2007): ~$7,500 The icon of the rarity