It took me a little longer than usual to figure out why this was in the Perverted Homura pool.

MTG... fffff.....

Looks like Mami doesn't like her house becoming a nerds' hideout.

Kyouko: "I swear, I SWEAR I didn't see that coming! Again!"
Mami: "I don't have a deck... I'm all alone..."

Hey hey, would you want your mother suddenly playing cards with you and your pals?

Alt: Would you and your siblings suddenly want to play cars with your mother?

So...

TankD115 said:

So...

Who's running what?

Madoka runs a White lifegain deck.

Homura has a Blue deck with extra turn effects (four Time Walks and Timetwisters because she's boss like that).

Sayaka runs a White soldier deck with enchantments like Honor of the Pure.

Kyouko uses a fast Red aggro deck.

And Mami doesn't have a deck, poor girl.