Steam and cards
"Summon, mechanical apprentice, activate the effect, summon the mechanical giant!"
"Activate the mechanical faction trait, merge, target mechanical core, come out, mechanical giant!"
"Then I will summon the devout nun, sacrifice the mechanical apprentice, and give the mechanical giant the effect of the holy shield!"
"Summon, Wilderness Sheriff, target mechanical giant, activate the trait effect Prison, ban action for 1 turn."
"Hmph, come out, Greedy Demon, target Wilderness Sheriff, activate the faction trait effect Fall!"
It's a card-based world, with machines, Terrans, and Templars...... More than a dozen factions, war, knowledge, death...... Dozens of avenues.
When you master the power of the printing card, even the gods will bow their heads to you, which is the story of a time-traveler who becomes a mechanical creator in another world.