Mulligans
General Mulligans
Keleseth and egg stuff.Aggro Mulligans
Grizzly, and cube the grizzly. Rexxar to clear some things.
Use Kathrena to search out Oondasta, overkill with it, and summon King Krush or a Devilsaur, hopefully with one such card in your hand besides. Charge in with it, drawing attention to it and Kathrena. Then overkill a second time, cube whatever comes out and play dead terrorscale. Also, normal deathrattle hunter stuff.