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
Given the popularity of mono-red aggro in Pioneer and Boros Energy in Modern, using your life total as a resource is extremely risky
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
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
This gives you spot removal, and while you can only run 1 copy of him from here on out due to his Limited status, the pure Artifact deck runs many ways to reuse, reduce, then recycle