mtg cards duskmourn preview at Polygon include a nasty little blue book Grab this powerful Commander Deck today MtG Duskmourn: House of Horror

Use that colorless mana to cast a big artifact, then sacrifice it when Megatrons vehicle side attacks on the following turn

Lightbringer and Hero's Shield Equip (: Attach to target creature you control

Mishras Burnished Banner has some interesting and powerful cards that could find their place in a competitive environment, but youd have to build a completely new deck around them rather than simply upgrading the precon

There's no doubt that Deadly Rollick is a fair bit more powerful, but Snuff Out does have the upside of not requiring your commander to be on the battlefield in order to cast it for its alternate cost