Perhaps well even see Legacy Eldrazi with [casthaven]Eye of Ugin[/casthaven], [casthaven]Eldrazi Temple[/casthaven], [casthaven]Ancient Tomb[/casthaven], and [casthaven]City of Traitors[/casthaven]
You must have 2 or more megamorphs, Seto 3 is hell.
Spellslinger The next obvious home for Cantrips are in the popular Spellslinger archetype in Commander where you have things that trigger when you cast an instant, sorcery and sometimes just for noncreature casts
and this is going from review to long form essay but I think this stuff is important for some reason and so do you if youre reading this so lets move on
Sidisi has proven herself so far in testing and I wouldnt be surprised if she was a cornerstone of the format
I will admit, it is slightly overwhelming looking through the 1,600+ unique familiars in Magic to try and find the best build, but sometimes it's nice to have a deck-building project that lasts for a while