Royal Champion SBTG/DPS

Monk

The monk can prove to be an extremely annoying deck to go up against as he really mows down your defensive core. The way to counter this deck heavily relies on proper use of CC, taunting and assassinating. The Hog Rider this time around is used to buy time in the frontlines, the Prince is there to assassinate a potential Villager in the back which is the usual pick for Monk decks nowadays. Otherwise, use the Prince to push back an annoying frontline troop to the back and make sure ro start him off with the Pony (⁠●⁠♡⁠∀⁠♡⁠) upgrade, trust me it makes a difference.

The Royal Champion is placed slightly in the front to prevent losing time on walking up to the enemy troops. Besides that, the opponent is very likely to have a Hog Rider of their own in this deck so this position is likely the one you'll end up in once they attempt to use it against you. I recommend waiting to see what the opponent has in their deck before moving the champ to the front.

PS: For all you Monk mains out there, if you ever come across an opponent using this deck, the way you can defeat them without even trying is simply buying the second upgrade for Monk and not placing any units. Without any stacks on the Royal Champion, the damage dealt by this entire deck is very low so the Monk will literally solo everyone due to the lower SUPER energy cost, passive energy gain through taking damage and the heal bonus (all provided by the second upgrade). I experimented a lot on how to fight this strategy but there is simply no solution, it's a perfect counter. Every deck has a weakness or a flaw and this is one of them. Don't get me started on the Battle Machine using the Saint Mirror...

Countess

The Countess is one most awkward opponents to face as these battles really turn tides unexpectedly. There aren't really any good general advice to be given here but here's what you can try doing to increase your chances of winning. Watch out for the Head Hunters which are a common pick for this deck. Use your Prince to assassinate it as soon as possible, if they counter your Prince then use the Hog Rider, the Head Hunter is a high priority target! Otherwise, use your Hog Rider to CC the frontlines and hopefully assassinate the Countess before it can heal and shake off your troop's aggro. Make sure not to use the Hog Rider's extended CC along with Knights extended taunt on the same target as they don't stack therefore you end up wasting an upgrade that doesn't change interactions.

This battle may be the only one in which you may wanna invest some points into the Royal Recruit... nah I'm just kidding, buy the Pony ♡⁠(⁠>⁠ ⁠ਊ⁠ ⁠<⁠)⁠♡ upgrade for the Prince, it's insane how many time my beloved horsey clutched the Countess battle with its CC.

Grand Warden

Against Grand Warden decks the Knight/Royal Recruit stall core doesn't work, you're gonna place them in the front as shown on the table above, they're literally cannon fodder, buying as much time as possible. This battle is determined by your riders and how well you position them. The Electro Wizard and Ice wizard are your highest priority targets, in that order. Invest all your points into your riders and the odds of you winning this are very high. Just don't be surprised with the occasional a** pulls the Grand Warden randomly performs giving shiled to its allies in the worst possible moment thus costing you the battle.

Royal Champion

So far I've never had a true mirror match, in fact most opponents use the Royal Champion SUPER recycle (2nd skill) variant which is why I never lost a Royal Champion matchup with my deck variant.

Just like with Grand Warden deck, the Knight/Royal Recruit core isn't as useful because the opponent is likely to use stall strategies themselves, so it's better to use your Knight as cannon fodder and Royal Recruit to defend from any Prince attempts at your precious Villager. On the other hand, don't hesitate to use your own Prince to attempt the same strategy against your opponent as 40% attack speed buff the Villager gives to the hero is a huge factor in how the match plays out. In fact, it's highly unlikely that the opponents deck has any target of higher priority. The opponent is almost always gonna have a Hog Rider so don't move your Royal Champion until the opponent's inevitable yet futile attempt at using the Hog Rider to counter your backline occurs.

I kid you not, in this specific scenario, if your positioning is such that the Prince is next to the Royal Recruit and actually hits some important troops, you may wanna invest in the Royal Recruit's CLASH give BLOCK to nearest ally upgrade.....naah, I'm just messing with you...but maybe... (I actually had a single match where the fully upgraded Prince actually assassinated the champ using this desperate strategy)

Natureborn

Against Natureborn decks, depending on the variant, you may wanna attempt two different strategies. In the table above, we have a theoretical formation of how you may use your double riders to double counter the Natureborn. The reason why I use the word "double counter" is because upon using the Hog Rider, the opponent is likely to move their Natureborn into a different spot, then you're free to use your Prince to counter them yet again. The reason why you wanna do this is because the longer the Natureborn is out of battle, the longer its allies are vulnerable without its support.

The worst case scenario is if they're using a Giant as tank. That unit WILL NOT die EVER by the time you reach round 5. In this instance, using the prince against this unit to take it out of the battle is actually more worthwhile than targeting the Natureborn. Since Natureborn decks that run Giant as the tank are elixir heavy, I suggest you postpone your prince counter as much as possible so that you trick the opponent into investing elixir into a troop that'll become useless once you knock it into the backrooms with the Prince. This way you ensure that the opponent doesn't have the elixir to invest into Pekka or any other heavy troops these decks usually carry. Attacking the giant too early will immediately make the opponent change their investment strategy and the Giant will still be very tanky nuisance even without any upgrades by the time you reach round 5.

The alternative scenario is a variant of Natureborn which uses a backline full of Wizards. By now you surely know what to do when there is a backline full of squishies ಠ⁠ ͜⁠ʖ⁠ ⁠ಠ.