Age of Magic Cards: My Deck Is Infinitely Strengthened

Demonic energy is turbulent and ferocious beasts are rampant. Overnight, humanity lost its dominance and half of its population. Thanks to the appearance of the Card Master, humans barely stood firm, established a survival base, and struggled to survive surrounded by ferocious beasts. This is the worst of times. Ordinary people are precarious, and they spend all their energy staying alive. This is also the best era, when the card master is brilliant and controls extraordinary power. This is the world of card masters! Su Bai traveled through time, obtained the magic card strengthening system, created an invincible deck, and created an immortal legend. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.