What's not immediately clear is that the name determines the starter decks they can choose from
"Red-Eyes Synchronization" Synchro Summon 1 "Red-Eyes" Synchro Monster from your Extra Deck, using monsters from your field or Deck as Synchro Materials, and if you do, that monster cannot be targeted by card's effects until the End Phase
Frankly speaking, fusion spell cards are very effective during combat
Allure of Darknesscan be said to be upwardly compatible, and expansion is necessary, but Wing Requitalhas no disadvantages
Straightaway, "Aliens" are nowhere near competitive but still manage to be an interesting and versatile archetype if you take the time to get to know their effects
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