While its occasionally a part of various infinite loops, its most common application is as a value card, bringing back cards like Kitchen Finks, Vendilion Clique, Wall of Omens, and sometimes Blade Splicer
Handling threats for no mana can be critical in formats with so many powerful creatures running around
Liliana, Heretical Healer / Liliana, Defiant Necromancer Fine as a solo card, you can just play Liliana, Heretical Healer as a Liliana planeswalker themed commander with a nice zombie subtheme
The exact mechanics are unknown to me, but essentially, it guarantees that youll have at least a couple of lands in your starting hand around 90% of the time
Imposter Mech is a fun take on a Clone
I want to make sure that I am doing the same thing