Just a deck to try out Colifero the Artist. It's not easy to survive to turn 7/8 in this brawl, but if you do make it there, the result is glorious.

Game Plan

Stealth minions, minions summoned from secrets, dormant minions awakening at the right time and leftover heads from Hydralodon should give you a few minions on the board going into turn 7/8. By that time, the only minion in your deck will be King Krush, turning your entire board into 8/8 chargers.

Stag Spirit Wildseed awakening overrides your weapon, breaking any Jungle Jammer you had equipped. This makes it hard to get value from Jungle Jammer, but it does give you another way to summon a minion on the combo turn.

Mulligan

You can keep Colifero if you're on the Coin, to do the combo on turn 7. Other than that, minimize the chance that King Krush ends up in your hand by keeping every card that is not terrible.

Replacements

The essential legendaries are Colifero and Krush, but those are fortunately free.

Hydralodon is probably the hardest to replace. Maybe Containment Unit could work.

Make sure that all minions in the deck are the only card at their mana cost and don't add any 10-mana minions, otherwise you're not guaranteed to draw Krush on the combo turn.

Spells should be some mix of removal and summoning. I leaned very hard towards summoning, maybe slightly more removal would actually be better.