Konami has tried to push the Gemini archetype quite a lot, but it never managed to become a truly competitive deck. Gemini decks usually focus around boss monsters like Superalloy Beast Raptinus or Darkstorm Dragon, whereas this one is more of a control deck. This version is capable of taking control of the field and potentially winning quickly.
Transcendent Crystals Send 1 to 3 cards from your hand to the Graveyard. Choose the same number of "Crystal beast" monster(s) from your Deck as the number of cards you sent from your hand to Graveyard, and place it/them tin your Spell/Trap Zone as. This Skill can only be used once per turn, and twice per Duel.
This deck focuses on Evocator Chevalier and Crystal Raigeki’s destruction effect: you clear the field with these cards and then attack directly with your monsters. The Crystal Beast engine is surprisingly powerful and effective, especially now that Restart and Balance have been nerfed once again. The deck, outside of the main core, is pretty easy to build, as most generic back row cards will work just fine as substitutes for the ones displayed.
Evocator Chevalier is a 1900 ATK Gemini monster that can destroy a card on your opponent’s side of the field if you send an Equip Card you control to the Graveyard: since it gains this effect only once it’s Gemini summoned, a Supervise equipped to it is the ideal card to use to activate the effect; this allows you to not only get rid of a spell, trap or monster, but also to summon a Gemini monster from your Graveyard.
Heavy Knight is able to banish a monster that was special summoned before damage calculation: this effect can be troublesome for Fur Hire, Amazoness, Aliens, Silent Magician and Red-Eyes Zombie, but it activates only when Heavy Knight is the one declaring an attack.
We can automatically give Heavy Knight its effect with Supervise while also securing that, if anything happens to him, we will be able to special summon from the Graveyard.
Pegasus can thin your deck by searching a Crystal beast monster and placing it in your Spell & Trap Zone when he is summoned or recycle one that is in your Graveyard; if Pegasus is destroyed, you can place him in your Spell & Trap Zone as well. We can utilize Pegasus for Crystal Raigeki to get rid of a card on the field, stopping Fur Hire before they can flood the field, getting rid of a Spell or Trap your opponent has just set, etc.
After thinning our deck, we can utilize the Crystal Beast monsters in our Spell & Trap Card Zone to activate Crystal Raigeki: this is a nice combination that can function very well in a lot of decks.
Supervise allows us to activate our Gemini monsters’ effects right away; if this card is sent to the Graveyard, we can special summon a Gemini monster from the Graveyard. We can tribute a monster equipped with this card with Enemy Controller, take control of one of our opponent’s monsters and then summon a monster from the Graveyard or use it to activate Evocator Chevalier’s effect.
Enemy Controller is a nice, versatile card that can be used both offensively and defensively. The deck doesn’t run any other limited card, so having two copies of this one, doesn’t limit our possibilities.
Wall of Disruption can be replaced by any generic form of protection, but it’s especially effective in the current meta, so it’s the best option.
You can send 1 to 3 cards from your hand to the Graveyard, then choose the same number of Crystal Beast monsters from your deck and place them them in your Spell & Trap Zone; this gives you cards to use for Crystal Raigeki and it thins the deck.