Recent oath lists playing rune-scarred demon like this one have mostly been using it to set up a kill using underworld breach. Getting two pieces of the combo seems pretty good and can be fairly resilient letting you make a pile from breach, lotus, brain freeze or sevinne's reclamation depending on what you need/what you milled over with oath.
Chubby's riddlesmith list from last year didn't play any POs and was based around echo of eons + riddlesmith as an engine. Wheels were a lot better when Narset was unrestricted. Here's a list he played in a challenge.
cool to see our match from your perspective. Sorry it had to go time. I probably would have conceded if I wasn't so salty from trying to run through a league with jund.
Its more of an esper mentor deck that I call doomsday for fun. Doomsday won me one game that was already pretty locked up, I almost had a turn two doomsday against smennen when he mulled to 3 but he hit multiple cabal therapies off some good dredges. It closes out the game fast when you've locked things up with teferi and narset and can be a surprise win game 1 that makes people board weird but it gets sided out in almost every matchup. Mentor is the main win I just really like the card doomsday and played it for fun. That said it makes sideboarding really easy since the doomsday package is usually about how many cards you want to bring in +/- a preordain.
@Serracollector it still comes into play tapped then amulet untaps it so that won't work.
@vaughnbros they might not have lost anything but the prevalence of both KarnForge and Dredge were both big reasons to choose BUG over like RUG or jeskai. BUG didn't get weaker but other decks with reasonable BUG matchups might have gotten stronger.