It shines in grindy games or decks that burn through creatures early, giving you a quick way to reload
To perform Fusion Summons of "Shaddoll" monsters, the main Fusion Spell/Traps are: "Shaddoll Fusion", which can use materials from the Deck to generate advantage
There are some newer cards than Etali that offer plenty of value, though, and Pip-Boy 3000 is one
Mythology Gag: The Pocket card back is a combination of the current Japanese TCG card back and the English TCG card back, featuring a similar blue swirl design as the international cards with the front facing Pok Ball and colored sparkles seen on the Japanese cards
In the skies, meanwhile, it looks like there'll be cards for the Witch-king, Fellbeast wyverns, and a swarm of giant bats