Well, those who play mill will love it - everyone else will be sick of seeing their expertly-crafted decks end up in their graveyard
As the best Vampire Commander for relentless pressure, its all about keeping the heat on
Resist is a keyword that means the character its granted to takes a reduced amount of damage when targeted, with that amount being determined by how much Resist it has
And the twentieth core set packs a suite of legendary creatures that tick all my boxes when Im perusing the previews for my next commander: Cheap to cast Thematic (Mostly) mono-colored The Wheeler philosophy of Commander is centered on taking advantage of the formats uniqueness: diving deep into the games history, only to surface when Ive found the perfect abysmal uncommon from Mirage or functional reprint from Portal Second Age
Conversely, if a permanent is sacrificed during the resolution of a spell or ability, that spell or ability will finish resolving before Carmen, Cruel Skymarcher's second ability is put onto the stack
The upside here is that each mode on Borrowed Hostility can target a different creature, so there's some mid-combat blowout potential, but it's hard to set that up for a full 4 mana