well since the advanced crystal beasts are apparently nowhere to be found, i figured i'd make them for the people that wanted to have fun with them. i got every picture except cobalt eagles so i had to improvise. hope you like them. (sorry if they're a little blurry)
You can select "Crystal Beast" cards with "Advanced Crystal Beasts" treated as the same name in your hand or on the field and swap them. When an "Advanced Crystal Beast" monster is destroyed by battle, you can reduce the Battle Damage inflicted to the controller of this card to 0 by sending 1 "Crystal Beast" monster with from your Deck to the Graveyard. If a "Rainbow Dragon" or "Rainbow Dark Dragon" you control attacks, negate the effects of your opponent's Effect Monsters.
This card cannot be Normal Summoned or Set. This card cannot be Special Summoned, except from your hand while you have 7 "Advanced Crystal Beast" cards with different names on the field or in your Graveyard. When there are not 7 "Advanced Crystal Beast" cards with different names on the field or in your Graveyard, this card on the field is removed from play. This card cannot activate its effects the turn it is Special Summoned.
- Send all "Crystal Beast" cards you control to the Graveyard; this card gains 1000 ATK for each card sent. You can activate this effect during either player's turn.
- If this card would be destroyed, you can negate its destruction by sending 1 "Crystal Beast" monster from your Spell & Trap Card Zone to the Graveyard.
This card's name is also treated as "Crystal Beast Amber Mammoth". If this card is on the field but "Advanced Dark" is not on the field, destroy this card. When a face-up "Crystal Beast" monster you control is selected as an attack target, you can change the target to this card. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card instead of sending it to the Graveyard.
This card's name is also treated as "Crystal Beast Amethyst Cat". If "Advanced Dark" is not face-up on the field, this card is destroyed. This card can attack your opponent directly. When it does so using this effect, any Battle Damage it inflicts to your opponent is halved. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.
This card's name is also treated as "Crystal Beast Cobalt Eagle". If this card is on the field but "Advanced Dark" is not on the field, destroy this card. Once per turn, you can return 1 face-up "Crystal Beast" card you control to the top of its owner's Deck. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.
This card's name is always treated as "Crystal Beast Emerald Tortoise". If "Advanced Dark" is not face-up on the field, this card is destroyed. Once per turn, you can change 1 of your monsters that attacked this turn to Defense Position. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card instead of sending it to the Graveyard.
This card's name is also treated as "Crystal Beast Ruby Carbuncle". If this card is on the field but "Advanced Dark" is not on the field, destroy this card. When this card is Special Summoned, you can Special Summon as many "Crystal Beast" cards as possible from your Spell & Trap Card Zone. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.
This card's name is also treated as "Crystal Beast Sapphire Pegasus". If this card is on the field but "Advanced Dark" is not on the field, destroy this card. When this card is Normal Summoned, Flip Summoned, or Special Summoned, you can place 1 "Crystal Beast" monster from your hand, Deck, or Graveyard face-up in your Spell & Trap Card Zone; it is treated as a Continuous Spell Card. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card instead of sending it to the Graveyard.
This card's name is also treated as "Crystal Beast Topaz Tiger". If this card is on the field but "Advanced Dark" is not on the field, destroy this card. If this card attacks an opponent's monster, it gains 400 ATK during the Damage Step only. If this card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card instead of sending it to the Graveyard.