Mulligan is different depending on if you have the coin or not.
COIN : keep miscreant and jandice (if your hand is good enough)
NO COIN: don't keep miscreant. can keep Edwin or QA only if hand is good enough (you have backstab/prep/shadowstep)
when you have fox you can keep swindle
This is my version of secret rogue. I added a potion of illusion to counter warrior and it works very well. I recommend using potion the same turn you are dropping a QA using prep. This will allow you to continue putting pressure if they can remove your first QA. The mulligan is the same as normal secret rogue.