Most control decks can't afford this level of card disadvantage even if they can support the island requirement
From cards that can be used to unleash powerful effects to others that force players to get creative with their deck building, there are just some that manage to tick all the right boxes
But its all very confusing, especially for newer players
During your opponent's Main Phase (Quick Effect): You can Fusion Summon 1 Fusion Monster from your Extra Deck, by banishing this card you control and monsters from your field or GY as material
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Thematically speaking, I don't think they fit planes and storylines without a very strong whodunit component to it, so I'm not sure we'll see many of these in the future