It's based on 2012 Chaos dragons; uses the Lightsworn cards to fuel the grave and provide non-summon mills through recharge / charge. Any milled light is easily recyclable through your extenders and functionally 7 copies of Dimensional Alchemist (through Nova Summoner and Shining Angel). The extenders all regulate grave count as well for krystia and are all beaters that can win games by themselves. The remaining fairy engine of honest and herald are all very strong hand traps that allow you to have a low regular trap count while maintaining defense and trading cards efficiently. Unlike standard fairies you're not as focused on a slower grind game or crashing recruiters to reach Krystia, as a single lightsworn mill had a 50% chance of netting you two fairies. The recruiters main purpose is getting Dimensional Alchemist or Honest. It's the Lightsworn mills or making a synchro with Soul of Purity and Light and herald that get you to Kristya.
The 5 bricks in Soul of Purity and Light and Sky Scourge Enrise are necessary, and they make any milled card a Dimensional Alchemist target. In some cases, side out 1 Scourge, especially when siding things like fader out to avoid Deck Devastation Virus. They also fix the biggest issue with fairies, which is the speed and heavy normal summon reliance. One mill with a Lightsworn will almost always make Soul of Purity and Light and Sky Scourge Enrise live or almost live as well. At 20 fairies you've effectively got a 50% chance to mill 2 with any mill three effect. Soul of Purity and Light and Sky Scourge Enrise are also both herald targets in hand. The fairy count makes herald live almost every time, and if you use a herald any Soul of Purity and Light is also instantly live. Both correct fairy over mill as well, which can happen fairly often. So they can brick, but one lyla / ryko / charge / recharge unbricks them almost every time and they're what makes this version of the deck so fast.
Needle Ceiling in the side is for going against dragon turbo and amaryllis and frogs. Going 2nd it's huge: just set a monster on an established board, and it acts as a quick play Torrential Tribute that doesn't kill your guys. Soul Takers go in against Gladiator Beasts, frogs, machina, stun and anything that summons vanitys against you. Decree is should go in against Gladiator Beasts. Unfortunately, Gladiator Beasts and Machina are still your two hardest matchups. Against Blackwings, take out 1 Enrise and 1 Fader, a Solar Recharge, the Treacherous Trap Hole and a Ryko (if going 2nd), then put in the MST, 2x Decree, 2x Herald of Purple Light and Cydras. You can reduce Deck Devastation Virus targets by cutting out an angel.
For Vayu, generally side in 2x Herald of Purple, 2x Crow, 2x Decree and MST, Cydra also goes in going second. Side out going 2nd: 1x Ryko, 2x Fader, 1x Nova, 1x Enrise, 1x Treacherous, 1x Recharge out 1x Orange light also generally goes out going first put Ryko back in, especially if they are siding vanities, and usually take out Cydra.
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