Beginner Questions

Hey 
I'm pretty new to MTG and just found this program.
I like the idea of the Quest Mode but cant win a single match, even on easy.
The enemy just stomps me into the ground, every time.
Is there a way to reduce the difficulty to very easy?
And which sets are in which boosters?
Standart, Extended, Modern etc, does not say anything to me.
Any other beginner tips?

I'm pretty new to MTG and just found this program.
I like the idea of the Quest Mode but cant win a single match, even on easy.
The enemy just stomps me into the ground, every time.
Is there a way to reduce the difficulty to very easy?
And which sets are in which boosters?
Standart, Extended, Modern etc, does not say anything to me.
Any other beginner tips?