all demon cards mtg of Dark Schemes sacrifice Demonic Covenant. Nixilis The Demon (Mono Black)

Since Dress Downs effect doesnt modify the power or toughness of creatures, we can use it to nullify any number of drawbacks on our own creatures

It obviously doesnt do a whole lot outside of that unless youre playing Commander, of course, and want to protect that legendary creature thats likely heading up your deck from the command zone

The Shambling Strider is a simple big beast with the possibility to get a bit bigger

Admittedly, I'm biased towards liking weird old cards that nobody will recognize

You only need a couple of other artifacts for this to be a 9/9 or an 11/11 for just 5 mana

It can't block any creatures without dying, and is prone to many different forms of removal