The aim of the deck is to be able to control your opponent's cards in their hand, deck, as well as their field by using the 3 card combinations of Peeking Goblin, Conscription and Exchange.
Peeking Goblin
This card allows you to see what your opponent's next cards are, and give you some control over what they will get next. You can choose to keep giving them spells so they won't get new monsters, or flood them with monsters and no spells. Either way, you know what's coming next so this allows you to plan ahead.
Conscription
Conscription allows you to special summon a monster from your opponent's deck. Even high level monster can be special summoned with this without requiring any tribute. This is usually more of a gamble if used on its own since you don't know what the top card of your opponent's deck is, but combined with peeking goblin, it will ensure that you won't fail with this. Note:It's important to keep in mind that some cards cannot be special summoned without doing the requirements, as written in the card's text.
Exchange
The main reason why exchange is good is because it lets you know what cards your opponent has, and be able to take 1 card from them. This can disrupt your opponent's plan while also giving you some advantage. The price is that you need to give 1 of your card as well, but if you have a useless card that aren't that good on its own, like Thunder Dragon, then you just essentially gave them a dead card.
Field control
Knowing all the main uses of those cards, the rest can be filled with cards that can compliment the combination. Since the 3 cards gives you some control over your opponent's card in their hand and deck, the monster card(s) can be used to control the field.
Possessed Dark Soul will let you steal your opponent's monster if it's a 3 star or lower, while 4-Starred Ladybug of Doom destroys 4 stars. You can also use other cards to maintain some control, cards like Sergeant Electro can lock their spell/trap cards if you are certain that electro can manage on its own.
When to use them
You can either use bandit keith's switcheroo tactic by using a Thunder Dragon's effect to draw the other 2 so you can switcheroo one of them, or keep both thunder dragons to be used for exchange. Use exchange when the cards in your hands are only thunder dragons, or cards that your opponent will likely not be able to use, or don't want to use. Take whichever card to help you win the duel or give your opponent a disadvantage.
Its not even about weak or strong deck. Its more like a cheap deck, stealing and using your monster against yourself, just like what relinquished did. Not much strategy involved, therefore I am not supporting.
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