Double Feature includes 267 of those cards from each of those sets, meaning it contains a whopping 534 cards in total
Heck, if you can be sure your cards can't be targeted (with something like Archetype of EnduranceArchetype of Endurance, perhaps), you can use Zuran OrbZuran Orb and a sacrifice outlet to sacrifice your lands and Lumra, Bellow of the WoodsLumra, Bellow of the Woods only to bring the big Bear back to play with it's built-in Splendid ReclamationSplendid Reclamation
Curse of Surveillance Innistrad sets have always had a lot of love for Curses ever since the first block with stuff like Curse of Misfortunes
Business Insider reported in 2018 that the game counts more than 35 million players spread across 70 countries who participate in international tournaments and digital competitions
Tokens dont work with Sefriss ability and Orcus is a black and red card, so why isnt this in the black-red deck
Ramp: Maybe take a look at either more Ramp (especially 1-drops) or less