Outside the Innistrad sets, Blood tokens have appeared on 1-2 cards from each of the following sets, plus one Secret Lair: Foundations: Jumpstart Bloomburrow Commander Modern Horizons 3 The Big Score March of the Machine Commander Blood tokens arent currently evergreen
Custodi Lich forces an opponent to kill something and makes you the monarch
As a Torpor Orb on legs, with flash to boot, you can bring out a nasty shock to someone who is relying on cards such as Mulldrifter, Stoneforge Mystic, or Rune-Scarred Demon
Then, when those creatures deal damage to a player, you make a Treasure token, look at the top card of their library, and exile it face down
I can only judge these cards based on how they work within Magic and Commander at large, though Ive seen plenty of people excitedly discussing how these cards fit within the lore of Doctor Who
Trying to go the other waytrading staples for bulkis harder