Please welcome a new level 5 member properly, I never thought I could grind this fast, it's all thanks to the community helping each other, thank you I will never forget you

I don't see the bonus of the H`erkow Fertility Robes, sorry, I'm new and I can't understand the principle of activation to obtain certain bonus, do some cards require having duplicates or another specific one to place? Do they need an artifact to activate?