let's move on from this really long and fruitless discussion about a strategy that was seen as an unreliable gimmick even by its creator. thanks.
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I was once a Shell Smash hater, but I felt like most people are leaning on discussing other topics more than that.
I will ask everyone to share opinion in the topic which is the most urgent at this point,
Shadow Tag.
The reason why I concluded this topic must be discussed is:
1. During the time period when people were deviating from topic to the other, I have seen the most number of posts regarding Shadow Tag.
2. Our tier's leader admits this issue is prominent along with Primals, and he has considered crating a poll.
I currently say I am
neutral about banning Shadow Tag. It is very underrated (not anymore judging from previous discussions)... but I have reasons for not being able to pick a side.
NO BAN?
According to our primary principle of banning abilities...
Extreme Augmentation:
The capabilities of the 'mon it is on that the set in question are difficult or impossible to check or counter. This implies that the power originates from the ability and that the choice of 'mon, item and even moveset, is irrelevant. e.g. Pure Power, Parental Bond
Although not the best ways, switching moves, if used properly, you can escape from Gengar and it kinda grants you a momentum (not to mention missing a single prediction is a punishment that you have to pay by letting one of your 'mons die).
This ability is high risk and high award. You have to acquire a regular Gengar which has pathetic overall stats in BH standards, needs to mega evolve safely (can be done under Illusion), and forfeit an item slot, meaning it cannot be used offensively.
But after the course of 4 months....
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BAN?
I used to say 'no need to ban Shadow Tag'.... until I saw
this post that was not paid attention for long period time. (whomever that is interested in suspecting / discussing Shadow Tag, I highly recommend reading this.)
Simply carrying Gengar and showing it to opponent in team preview, and especially after it has successfully mega evolved and acquired Shadow Tag, it puts opponent under the massive pressure. You will hesitate every moment before you attempt to use Rapid Spin, or any moments you use a move that Gengar can safely switch in. You will end up using switching move or Knock Off when you can actually heal with your Unaware Audino or Zygarde, and if opponent is good enough to play around your predictions, your team will be slowly gone, one by one, either because you couldn't heal fearing Encore + Perish Song, or you were simply trapped when trying to heal your wall, using a stupid status move, setting hazards, or using Rapid Spin or Defog.
I can see there are checks against Mega Gengar + Shadow Tag, including having switching moves on everything which ain't reliable, but if we considered what have we banning in this generation,
every.single.stuff. we have banned had checks: ExtremeEvoBoost was cucked by Imposter and Prankster Haze, Water Bubble was checked by RegenVest Gyarados or Water Absorb, and Innards Out was simply removed by Magic Guard. Yet we are banning stuff because the ways we have to check these banworthy (again, I have not decided whether to consider if Shadow Tag is banworthy) abilities require you to run something extremely absurd or specific. In this case, having switching moves on all fat mons is not that common, and that means you are missing out a moveslot that you can fill with hazard / hazard removal, coverage attacks, or status move.
http://replay.pokemonshowdown.com/gen7balancedhackmons-541092251
Watch. This. Replay.
Funbot28's team consisted of various types of walls along with Shadow Tag Mega Gengar, and I had Primal Groudon and Kyurem-W as offensive cores.
Primal Groudon was taken out when I thought I successfully passed choice item against Mega Audino, while it was Encored to spam Switcheroo.
Kyurem-W was also taken out in this scenario.
Funbot had Gengar, Zygarde-C, and regenvest gyarados left in party, while I only had Kyurem-W and other walls remaining in my team. I successfully deployed Kyurem-W on Zygarde-C that was confirmed not to be a weird shit like Soundproof or anything, and I had to consider VERY LONG TIME before I executed a move:
1. If I use Refrigerated Boomburst:
a. Zyg-C will die but that won't happen because Funbot knows how to think
b. Gengar won't switch in because it was clear Kyurem-W was holding specs judging from the raw power.
c. RegenVest Gyarados switches in and I lose momentum. The most optimal choice for Funbot.
2. If I tried to predict Gyarados and use Secret Sword (Gyarados was weakened enough to die from it)
a. Zyg-C will take next to no damage and I will be hit by Core Enforcer or will be pivoted
b. Gengar switches in, takes literally no damage and proceeds to use Perish Song.
c. Gyarados will be switched in and be chopped.
I ended up losing Kyurem-W after I predicted and killed Gyarados and Gengar switched into Kyurem-W that was locked into Secret Sword.
Like MAMP mentioned in his post, Shadow Tag makes lose-lose situation, and triples the amount of predictions because regular prediction punishes you by being hit by a move or giving setup opportunity if you miss it, but the consequence of missing prediction against Shadow Tag is simply
death.
Summary
Shadow Tag is op. It shreds stall team apart, and can even trap and net surprise kills using Illusion or remove crucially important wall (such as Fur Coat Zygarde-C or any wall from opposing team that checks Imposter). But it is not that over-centralizing in my perspective, and it requires a player some skill and appropriate predictions to make it work. Offensive teams willed with boost spams and MMY will pressure Gengar a lot, leaving it next to nothing to do. However, I agree that this issue is worthy of being discussed, so lets fill this thread with appropriate discussions instead of dumping sets that belong in Team Dump thread and keep deriving the topic away when someone eventually said something with actual general consensus. If this looks like a shitpost, please relay by correcting me.