Advanced format ruling
Rainbow Gravity
Card effect (current official text)If you have 7 "Crystal Beast" cards with different names on the field or in your Graveyard: Special Summon 1 "Ultimate Crystal" monster from your Deck or Graveyard, ignoring the Summoning conditions.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.