(1) You can only control 1 “Crystal Brilliance”.
(2) “Crystal Beast” monsters you control gain ATK equal to their original DEF.
(3) If a “Crystal Beast” card(s) is placed in your Spell & Trap Zone (even during the Damage Step): You can send this face-up card from your Spell & Trap Zone to the GY; Special Summon 1 “Crystal Beast” monster from your hand or Deck, also any damage you take this turn is halved.