Trollmus

It can easily be 4 or 5 mana 3/3 destroy a minion because of how many health buffs warlock as gotten with souls.

Or even raise dead at 0 mana.

Demon can heal you if you …

Without a doubt Quest soul fragment control warlock!

https://outof.cards/hearthstone/decks/17547-sa-the-new-soul-quest-big-demon-control-lock

And Big Paladin

Thanks for replying! Yes, it is a heavy deck, but the quest will make all the big minions 0 mana, which is why it's focused on late game, and control the early game, perhaps too much, and I will have …