Mulligans
When the quest is complete use Queen Carnassa together with Dire Frenzy
For sustain Seeping Oozeling shall get the deathrattle of Deranged Doctor, in addittion you can use Play Dead on Seeping Oozeling to get some fast helath asap.
To complete the quest and to reduce the number of cards to do so, u need Ravencaller to finish it.
Baleful Banker can be used on Queen Carnassa if you don’t have Dire Frenzy in hand. You can also use Baleful Banker on Deranged Doctor if you already drawn Deranged Doctor before you were able to use Seeping Oozeling.
Stitched Tracker can be used to find Queen Carnassa after the quest is complete.