Having a powerful lord as a father figure, what's wrong with just wanting to draw cards?

After being blown away by a truck, he was reborn as Dominic Brofeld, the youngest son of the strongest lord in the Lionheart Empire, and obtained the Sixth Prince Development Card Draw System. He could draw cards by doing some wicked things, and he could become stronger by drawing cards.
After experiencing the benefits, he suddenly realized—
The fake son of an official: gentle and refined, multi-talented, honest and incorruptible, and friendly.
The real second-generation officials: arrogant, domineering, lecherous, with top-notch fighting skills, ruthless and talkative.
Thus, he became the most abstract young master in the territory, the most talented child in the history of the empire. He punched and kicked his eldest brother as soon as he was formed in the womb. He understood the imperial language at the age of 1, spoke wildly at the age of 2, debated with a group of scholars at the age of 3, and could skillfully use all basic magic at the age of 7. His talent was as high as the Test Ball Explosion level...
"If my enemy is Dominic, I will allow my soldiers to desert." — General MacArthur
"Luckily, it was a bullet that hit my head, not Dominic's Planetary Devastation, otherwise I might never be reincarnated." — Melody