It's removal, card flow, dodge 40% of removal and dorks and boosts to power for the stuff
Nowadays, Firewall Dragon sees healthy play in decks mainly focused on Cyberse monsters, specifically those that look to special summon a lot, such as Salamangreat decks
At the time of writing, Disney Lorcana: Archazia's Island was just released for smaller hobby stores and Disney stores and parks, but it has not yet had its full launch into mass-market retailers
Id also replace some of the non-colored ramp for colored ramp instead and/or increase the amount of fixing by 2 to 3 cards
Various "Yu-Gi-Oh!" characters and monsters from the series -Duel as Yami Yugi, Seto Kaiba, Jaden Yuki, Yusei Fudo, Yuma Tsukumo, Yuya Sakaki, Playmaker, Yuga Ohdo, Yudias Velgear and many more, from the whole canon
So, with luck, you can take all your enemys prizes before they can even get a move off