#1 Mikaeus, the Unhallowed + Puppeteer Clique + Altar of Dementia = Mill entire deck and steal all the creatures and swing with haste
How about Lightning Greaves
It can clip a Sol Ring and still let you curve out the same turn
You can effectively double your damage output by swinging in with your army of 1/1 tokens and then sacrificing them after damage for that same amount
Second, with Eldrazi gone, the format would likely return to the pre-Pro Tour picture which was more linear (bad for a grindy, value combo) and packed with cheap Lightning Bolt-style removal (bad for low-toughness critters like Servant and Teysa)
These days, the game plan for maintaining cultural relevance revolves around making the most ill-advised, hair-brained, headline-grabbing business decisions possible