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It feels for this reason like Skullclamp shouldn't be on the list but with the abundance of creatures and the effectiveness of the draw it can be used as an engine or as just a card draw effect in more decks than are able to use many of the cards on this list

Dragunity decks excel in quickly synchro summoning multiple strong boss monsters in a single turn that can make things quite a headache for opponents

Their Xyz Monster, "Springans Ship - Exblowrer", has an effect to destroy a number of the opponent's cards equal to the number of materials detached, and another to banish itself until the End Phase

You can check out all of these mechanics in Duskmourn: House of Horror

In fact, it kind of sucks