I imagine something like Entomb to tutor up a Bolas's Citadel, then casting Mox Amber to reanimate the Citadel and popping off from there could be a good start at what Moira can do, but I'm sure people can come up with far scarier lines than my quick example
2 Nicol Bolas, Dragon-God Dragon-God comes in as the lowest costing Nicol Bolas planeswalker, only costing one blue, three black, and one red
Escape [cost] means You may cast this card from your graveyard by paying [cost] rather than paying its mana cost. Casting a spell using its escape ability follows the rules for paying alternative costs in rules 601.2b and 601.2fh
Random vanilla beaters like Wolfbitten Captive and Gastaf Shepherd are far too low-impact in Commander to be worth a slot in your deck
Its a great little value engine that draws at least one card a turn cycle and potentially far more if you build with tons of instants
10 Koma, World Eater Brings Long Games to a Swift End Flood the Board with Coils Koma, last featured in 2021's Kaldheim set, seems to have built an identity around being a near-unbeatable bomb
