In the correct deck, this is a one mana Mana Leak
Shell also be a lightning rod for removal in Ruby/Sapphire decks, but that could buy you the time needed to push towards a win
Kenessos, Priest of Thassa Kenessos, Priest of Thassa is likely better as a sea creature commander for decks that want it than most of these cards are in their respective decks, but in a vacuum it doesn't really reward you for scrying so much as it just lets you scry more
Meanwhile, Warhammer Community delivered the first batch of spoilers in the 'spoiler season' for the Warhammer 40k Universes Beyond decks, showing off five cards, one from each deck, and one extra Ruinous Powers card
Vampire isnt the most relevant creature type, but its definitely one that you can support and Bloodthirsty Adversary is going to be one of the nicer cards for a Cube trying to do so
FromTheShire: I mean it's going to be nasty when you discard this to Ultimate Green Goblin and punch someone for 7 in the air