Crystal Beast Rainbow Dragon
Level 8 LIGHT/Dragon Effect3000 ATK / 0 DEF
If this face-up card is destroyed in a Monster Zone, you can place it face-up in your Spell & Trap Zone as a Continuous Spell, instead of sending it to the GY. You can only use each of the following effects of "Crystal Beast Rainbow Dragon" once per turn. When an attack is declared involving a "Crystal Beast" monster: You can Special Summon this card from your hand. You can banish this Continuous Spell; Special Summon 1 Level 4 or lower "Crystal Beast" monster from your Deck, but negate its effects (if any), and if you do, add 1 "Ultimate Crystal" monster from your Deck to your hand.
Malefic Rainbow Dragon
Level 10 DARK/Dragon Effect4000 ATK / 0 DEF
This card cannot be Normal Summoned or Set. This card cannot be Special Summoned, except by removing from play 1 "Rainbow Dragon" from your hand or Deck. There can only be 1 face-up "Malefic" monster on the field. Other monsters you control cannot declare an attack. If there is no face-up Field Spell Card on the field, destroy this card.
Rainbow Dragon
Level 10 LIGHT/Dragon Effect4000 ATK / 0 DEF
(This card is always treated as an "Ultimate Crystal" card.)
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 7 "Crystal Beast" cards with different names on your field and/or GY. This card cannot activate the following effects the turn it is Special Summoned. (Quick Effect): You can send all face-up "Crystal Beast" monsters you control to the GY; this card gains 1000 ATK for each monster sent to the GY. You can banish all "Crystal Beast" monsters from your GY; shuffle all cards on the field into the Deck.
Ultimate Crystal Rainbow Dragon Overdrive
Level 12 LIGHT/Dragon Fusion Effect4000 ATK / 0 DEF
1 "Ultimate Crystal" monster + 7 "Crystal Beast" monsters
Must be Special Summoned (from your Extra Deck) during a Duel you Special Summoned an "Ultimate Crystal" monster, by banishing the above monsters from your field and/or GY. While 7 or more of your "Crystal Beast" monsters with different names are banished, this card gains 7000 ATK. If this card has not battled this turn (Quick Effect): You can Tribute this card; shuffle as many cards on the field as possible into the Deck, and if you do, Special Summon any number of your banished "Crystal Beast" monsters.