Who Said the Magic Cards I Made Were Trash?

Han Yang traveled through time and inherited the original owner's magic card making shop. The card making industry is about to face a catastrophe... "I want to buy a spear weapon magic card." "Come on, Winchester M1887, one shot for a monster." "I want a bow and arrow weapon card." "Here, Green Arrow's special compound bow, a must-have companion for home and travel." "I want a full-body armor-type equipment card." "Come on, Mark 42 Prodigal Armor. Apart from being a bit rebellious, this guy is also very reliable." "Huh? You say I'm a profiteer?" "Are these useless zero-level cards that cannot conduct magic power?" "You won't pay?" "I'm sorry." Han Yang rolled up his sleeves and looked at him kindly. "In addition to card making, I also know a little bit about boxing." "Oh, you said you wanted a card with extraordinary characteristics. You should have told me earlier~" "Look here." "Burning Technique, Clear Sky Hammer, Bilgewater Scimitar, Green Lotus Earth Core Fire, Chaos Pangu Ax..."