Welder decks do exist with things like Daretti and Scrap Mastery but they usually have an artifact ramp theme too so as to be able to hardcast things and play powerful spells like Wildfire
Speaking of Commander, the Citadel is a notable commodity in Group Slug shells that focus on dealing as much damage to all players (as opposed to Group Hug decks) and generally playing annoying cards that will make everyone mad at you
It can also present a dilemma for people that have leaned hard into generating Treasuresdo they want to save the Treasures to use later, or sacrifice them to prevent me from getting a bunch of 3/3 Beast tokens
Stalwart Shield-Bearers The architects of resilience, reinforcing the bastions, ensuring that every strike lands harder, and every wall stands taller
The Witchs Vanity I love this black enchantment, and I think its underplayed
those fall off at the end of the turn