Even though Nautiloid Ship has flying, occasionally there isnt a clear attack lane, so making it unblockable can make a big difference, and once it deals combat damage, you get to cast a creature card you exiled with Nautiloid Ship
If you can Dark Ritual this out on turn 1 then its often just lights out for your opponents
For starters, some of the MUL cards in Collector Boosters have the halo foil, which debuted in MOM
Wight of the Reliquary Knight of the Reliquarys morbid counterpart sacrifices creatures instead of sacrificing lands, which is honestly way better with all the same potential upsides
Whenever one or more creatures you control deal combat damage to a player, put a +1/+1 counter on Vincent
Vraska, Betrayals Sting Proliferate as a loyalty ability is already an engine in and of itself, and Vraska, Betrayal's Sting offers much more than that