This is what each card is, who gets it, and how hard it will be to find
New Product Release Duelist Pack: Duelists of the Abyss V Jump January 2022 promotional card Yorishiro of the Aqua Metagame Breakdown 18 Phantom Knights (16 Destiny HERO Adventurer Phantom Knights, 2 Danger Phantom Knights) 8 Floowandereeze 7 Adventurer Tenyi (6 Adventurer Swordsoul Yang Zing Tenyi, 1 Adventurer Rose Dragon Swordsoul Yang Zing Tenyi) 6 Drytron 5 Eldlich (3 Eldlich, 1 Destiny HERO Adventurer Eldlich, 1 Grass Destiny HERO Adventurer Zombie Eldlich) 3 Invoked (2 Destiny HERO Invoked, 1 Neos Invoked) 3 Adventurer Prank-Kids 3 SPYRAL 1 Endymion 1 Grass P.U.N.K
The two most commonly used "Shaddoll" boss monsters are "El Shaddoll Winda", who is easy to Summon (since most "Shaddoll" Main Deck monsters are DARK) and has a powerful floodgate effect, and "El Shaddoll Construct", whose non-once per turn on-Summon effect generates massive amounts of advantage
CC - Hyper Voice 40 Sandy Shocks (Ancient) F - Magnetic Blast 20+ If you have 3 or more Energy in play, this attack does 70 more damage
Maybe one copy, I don't know
Legendary Creature - Rat Phyrexian Nashi, Moon Sage's Scion Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi deals combat damage to a player, exile the top card of each player's library