The full card pool has many Artifacts now with the Guarded attachments like Stone of Elostirion and Orcrist
As far as I can surmise from surviving records of old tournaments, the best result anyone ever had with Dredge in Standard was this list from Stuart Wright, who came in second at UK Nationals: This list still resembles a normal Magic deck a lot more than anything that's to come in this chapter, but it's already (like various graveyard decks before it) turning the idea of card advantage on its head
Or Snakeform
Jill, Shivas Dominant / Shiva, Warden of Ice With Jill, Shiva's Dominant, you get a versatile tool that bounces a nonland permanent on entry, disrupting almost any strategy
Baral and Kari Zev is just a human in its type line, but First Mate Ragavan is a pirate
Primary: White Killing big creatures is a white thing, so it can be combined with mass creature kill