Forcing your opponents to sacrifice 13 creatures helps get around indestructible creatures, something Blasphemous Act struggles with since its only dealing damage
Theres a lot of sacrificing and burning going on, but Streets of New Capenna and Warhammer 40K gave us demon commanders that splash into other colors and do other things, and Final Fantasy brought quite a handful of demons too
Reasonably costed at three mana, rather than possessing a 0 ability that temporarily caused Gideon to function as a creature until the end of the turn, Gideon Blackblade features a static ability that allows it to automatically function as a 4/4 creature as long as it's your turn
Rarity and Pack Structure Modern products use four base rarities
If it gets countered or destroyed, you still gained value from the double cascade
See rule 704.) 309.7: A player completes a dungeon as that dungeon card is removed from the game