Bonz' pumpking is limited to 3300ATK, so LabWall + SorcererWall is enough. Add DimGate to protect from Clown, and you've got an easy 8000DA score. Here is my deck :
Some hints to use the deck. During early turns, use OmenCat to get DimGate, and PathFinder to get SorcererWall. Then you've got an unbreakable wall. Use the second OmenCat and PathFinder to bring you LP below 1000 (ComeBack + Low LP bonus). In final turn, use Storm to bring LabWall back, apply Sword/Shield, special summon Megacyber, and usual Vassal/Union combo.
this Lab variant is inefficient and inferior compared to the Massivemorph variant that has a greatly reduced brick rate on opening hand (since the latter has to use 1 Union attack only, and no need of sorcerous walls, or megacybers). furthermore, these Lab variants really need Lithograph spell because it can also fail due to bad hand optimization/management
Mallet is much better than Lithograph to deal with final combo cards appearing too early. Also I do not agree with your claim that the Massivemorph variant gets better starting hand. Here you've got 4:20 odds for getting Sorcerer + 5:20 odds for getting DimGate + 1:20 for Mallet which offers you 4:19 + 5:19 again. You can't get such odds with MassiveMorph.
Yes you can. I didn't recall it as a previous comment already noted that alternative. Yellow Shield is just a third alternative (even if less efficient, as it cannot beneficit from PathFinder)
Okay, sorry for earlier, I wasn't meant to use the word "inferior". What I should've said is "inconsistent". Ratio-wise, it may be better, but Magical Mallet is -1 card advantage, and although Pot of Greed is an excellent card, there are times where you cannot afford to wait. Combination of Jar of Greed and GHK (both 3) ensures card no. advantage with no drawbacks, and GHK also puts into bottom..
..your key cards. In terms of hand management, it's worth to notice that the above Lab variant has "6 end cards" that needs to be maintained all the time should you draw them all, while the Metalmorph only has 5. If you can see Econ as a defense card and one included a Pot of Benev, then at most it has 4 brick cards on 1st turn. The latter should perform more consistently but not superior.
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