Infinite Fusion: from Useless Card Maid to Witch of All Worlds

[Card] [Single heroine] [Not an invincible novel, but it will grow in the early stage, and it will start to feel good after chapter 40] [The system has low sense of presence (can be viewed as no system)] Three hundred years ago, the sky was torn apart and rain fell from the sky. Time and space are chaotic, the world is shattered into countless isolated islands, and indescribable disaster monsters are sweeping across the world. Three hundred years later, mankind used the source card as a spear and the card maker as a shield to rebuild civilization on the ruins. Card making is a compulsory subject from elementary school to college, the core ladder to the college entrance examination, the only hard power for status, future, and survival qualifications, and the ultimate power for mankind to fight back disasters and reclaim its homeland. [Ordinary Maid + Yuanli Textbook = Intellectual Maid] [Auxiliary deck + space debris = Almighty Witch] [Concept of rules + origin of the world = the only god in all worlds] Starting from a wasted maid card, He blends knowledge, magic, laws, and everything in the universe. When the docile maid took off her apron and transformed into the supreme witch who controls all kinds of magic, The whole world will tremble for it!