You must have this many "Crystal Beast" cards in your Spell & Trap Zone to activate and to resolve these effects. ●1+: This card cannot be destroyed by card effects. ●2+: Once per turn (including the opponent's) you can halve the battle damage you take. ●3+: When a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the GY; negate the activation, and if you do, destroy it. ●4+: Once per turn, during your Main Phase: You can draw 1 card. ●5: Once per turn, during your Main Phase: You can target 1 "Crystal Beast" card in your Spell & Trap Zone; Special Summon that target.