Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Blood for the Blood God!: The ability that reduces the mana cost only reduces its generic mana cost
You could just see it as a version of the card, and thats absolutely fine
Force of Will is the poster child of early-game interaction in Legacy, and thats an easy four-of
It not only returns a creature for as cheap as 2 mana backed up with a 4/4 lifelinking creature, but it also gives lifelink to the returned creature, making it a game-ending threat against aggressive decks
Venom, King in Black is just another alternate version, and its a premium reprint too
Obviously, the cards that are in development need to be proxied, but I was surprised to find out that R&D didn't get upcoming sets much sooner than the rest of the world did.