Red midrange isn't really that much of a thing
In fact, these days, it's not uncommon to see a pretty unremarkable card sell for silly money, merely because only a few people had the foresight to preserve a copy
Id guess this is better off starting in your sideboard and then bringing it in whenever the first mode is relevant, but if you cant enable delirium its probably completely unplayable
Liliana's Devotee, Liliana's Mastery, Cursecloth Wrappings, Gisa, the Hellraiser, and Death-Priest of Myrkul are additional lord effects that arent zombie creatures themselves
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle
Either way, the rate is just so good that you should be happy to play it