Hand: Mustache Waxer, Mustache Waxer, Zombie Plumber, Dark Moon Rising.
Superpower: Dance Off.
1st Draw: Zombie Plumber.
Gives you four damage to throw around and four random 5-drop+ zombies on turn 2. That’ll allow you to clear a lane or two and potentially win without triggering super-block.
Of course, the odds of nailing the perfect hand, the perfect superpower, and the perfect top-deck are... low (down to zero if your opponent is packing Weedwack or Sunburn or chooses to oppose the 1st Waxer down).
This also works:
Hand: Mustache Waxer, Mustache Waxer, Mustache Waxer, Dark Moon Rising.
Superpower: Terror-Former 10,000
1st Draw: Any 1-drop Mustache (Brainy/Sneaky... there are several)
I’d have to math it out... I think maybe this’d be less probable b/c of the triple Waxer required, but less vulnerable to removal b/c Terror-Former is your turn 1 play. There are lots of viable top-deck options, but few of them would make it into a competitive deck.
On the plant side you have a theoretical turn 2 win possibility with: PuffShroom, PuffShroom, PuffShroom, Coffee Grounds/Blazing Bark
This is much more likely to get opposed (zombie in front of Shroom) but has the advantage of dealing about 12 damage through opposition. It is also more probable that the Huge hand b/c your top-deck is irrelevant.
That’s the best I can do for plants offhand; I don’t spend a lot of time thinking about plants.