Thats not a problem most of the time since you are rarely going to be paying for the spell anyway
(It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.") Legendary Creature - Vampire Rogue Keskit, the Flesh Sculptor , Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library
Other older cards that have since been updated to contain the keyword Flash include Defender of Chaos, Defender of Law, Masako the Humorless, Needlebug, Raging Kavu, Rootwater Shaman, Simian Grunts, and Vine Dryad
Discard a card: This creature can't be blocked this turn
it can play synergy
Flavour-wise, this gives the set a distinct look and vibe, with many of the artwork comissioned for the set displaying snow-covered landscapes or Nordic-insipred visuals