EDH players relying on a few key cards to make their deck sing can never have enough tutors, and we'd be very happy to open up any of these
And to be honest, I just found it quite enjoyable to expand my collection continuously, and don't consider it to be monetised in an overly blatant way, nor disturbing in the way it's structured
Raging Destruction lets them search (as well as discard) a huge 8 cards from the top of the trainer's deck and attaching any Fire Energy that one finds
Some Fusion Monsters in Rush Duel have new Types thematically based on the Types of the Fusion Materials used to Summon them (Cyborg, Magical Knight, High Dragon, Celestial Warrior, and Omega Psychic), and have a new type of card effect called a Multi-Choice Effect, allowing their controller to activate one of two effects each turn
(And no, were not planning to reprint any previous Starlight Rares with the new tech.) Get ready for the Duel of your life