If you line up with Kaust, you can become a Pleiades teacher, and if you pull it from Sombres, you can transform into a 4 x 3
You can get more cards from packs, you get packs from dueling, you also get a promo pack once a week
send 1 LIGHT and 1 DARK monster from your Deck to the GY whose combined ATK is equal to or lower than that monsters, also for the rest of this turn after this card resolves, you can only active 1 monster effect in the GY
If your binder lives in a backpack, on the floor at locals, or travels with you often, that closure starts to feel essential
Because flashback could only go on instants and sorceries, many of the green cards in the set with flashback generate creature tokens, creating something akin to creature spells with flashback
Why wouldnt you want that